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Items: 46


Long-term quality of life improvement for chronic intractable back and leg pain patients using spinal cord stimulation: 12-month results from the SENZA-RCT.

Amirdelfan K, Yu C, Doust MW, Gliner BE, Morgan DM, Kapural L, Vallejo R, Sitzman BT, Yearwood TL, Bundschu R, Yang T, Benyamin R, Burgher AH, Brooks ES, Powell AA, Subbaroyan J.

Qual Life Res. 2018 Aug;27(8):2035-2044. doi: 10.1007/s11136-018-1890-8. Epub 2018 Jun 1.


Responses of Primula vulgaris to light quality in the maternal and germination environments.

Marin M, Blandino C, Laverack G, Toorop P, Powell AA.

Plant Biol (Stuttg). 2019 May;21(3):439-448. doi: 10.1111/plb.12849. Epub 2018 Jun 10.


Germination characteristics of Rhinanthus minor influence field emergence, competitiveness and potential use in restoration projects.

Marin M, Laverack G, Matthews S, Powell AA.

Plant Biol (Stuttg). 2019 May;21(3):470-479. doi: 10.1111/plb.12707. Epub 2018 Mar 8.


Paresthesia-Independence: An Assessment of Technical Factors Related to 10 kHz Paresthesia-Free Spinal Cord Stimulation.

De Carolis G, Paroli M, Tollapi L, Doust MW, Burgher AH, Yu C, Yang T, Morgan DM, Amirdelfan K, Kapural L, Sitzman BT, Bundschu R, Vallejo R, Benyamin RM, Yearwood TL, Gliner BE, Powell AA, Bradley K.

Pain Physician. 2017 May;20(4):331-341.


Developing and Testing an Electronic Measure of Screening Colonoscopy Overuse in a Large Integrated Healthcare System.

Saini SD, Powell AA, Dominitz JA, Fisher DA, Francis J, Kinsinger L, Pittman KS, Schoenfeld P, Moser SE, Vijan S, Kerr EA.

J Gen Intern Med. 2016 Apr;31 Suppl 1:53-60. doi: 10.1007/s11606-015-3569-y.


Rates and correlates of potentially inappropriate colorectal cancer screening in the Veterans Health Administration.

Powell AA, Saini SD, Breitenstein MK, Noorbaloochi S, Cutting A, Fisher DA, Bloomfield HE, Halek K, Partin MR.

J Gen Intern Med. 2015 Jun;30(6):732-41. doi: 10.1007/s11606-014-3163-8. Epub 2015 Jan 21.


Organizational predictors of colonoscopy follow-up for positive fecal occult blood test results: an observational study.

Partin MR, Burgess DJ, Burgess JF Jr, Gravely A, Haggstrom D, Lillie SE, Nugent S, Powell AA, Shaukat A, Walter LC, Nelson DB.

Cancer Epidemiol Biomarkers Prev. 2015 Feb;24(2):422-34. doi: 10.1158/1055-9965.EPI-14-1170. Epub 2014 Dec 3.


Single cell mutational analysis of PIK3CA in circulating tumor cells and metastases in breast cancer reveals heterogeneity, discordance, and mutation persistence in cultured disseminated tumor cells from bone marrow.

Deng G, Krishnakumar S, Powell AA, Zhang H, Mindrinos MN, Telli ML, Davis RW, Jeffrey SS.

BMC Cancer. 2014 Jun 19;14:456. doi: 10.1186/1471-2407-14-456.


Role of quality measurement in inappropriate use of screening for colorectal cancer: retrospective cohort study.

Saini SD, Vijan S, Schoenfeld P, Powell AA, Moser S, Kerr EA.

BMJ. 2014 Feb 26;348:g1247. doi: 10.1136/bmj.g1247.


More than a score: a qualitative study of ancillary benefits of performance measurement.

Powell AA, White KM, Partin MR, Halek K, Hysong SJ, Zarling E, Kirsh SR, Bloomfield HE.

BMJ Qual Saf. 2014 Aug;23(8):651-8. doi: 10.1136/bmjqs-2013-002149. Epub 2014 Feb 12.


Probability of an abnormal screening prostate-specific antigen result based on age, race, and prostate-specific antigen threshold.

Espaldon R, Kirby KA, Fung KZ, Hoffman RM, Powell AA, Freedland SJ, Walter LC.

Urology. 2014 Mar;83(3):599-605. doi: 10.1016/j.urology.2013.10.051. Epub 2014 Jan 16.


Adding Postal Follow-Up to a Web-Based Survey of Primary Care and Gastroenterology Clinic Physician Chiefs Improved Response Rates but not Response Quality or Representativeness.

Partin MR, Powell AA, Burgess DJ, Haggstrom DA, Gravely AA, Halek K, Bangerter A, Shaukat A, Nelson DB.

Eval Health Prof. 2015 Sep;38(3):382-403. doi: 10.1177/0163278713513586. Epub 2013 Dec 5.


If less is more, which outcomes should be presented in facilitating prostate cancer screening decision making?

Partin MR, Powell AA.

JAMA Intern Med. 2013 Sep 23;173(17):1656-7. doi: 10.1001/jamainternmed.2013.8155. No abstract available.


The role of persuasion.

Powell AA, Partin MR.

JAMA. 2013 Aug 14;310(6):646-7. doi: 10.1001/jama.2013.8516. No abstract available.


A conceptual framework for understanding and reducing overuse by primary care providers.

Powell AA, Bloomfield HE, Burgess DJ, Wilt TJ, Partin MR.

Med Care Res Rev. 2013 Oct;70(5):451-72. doi: 10.1177/1077558713496166. Epub 2013 Aug 5. Review.


Five-year downstream outcomes following prostate-specific antigen screening in older men.

Walter LC, Fung KZ, Kirby KA, Shi Y, Espaldon R, O'Brien S, Freedland SJ, Powell AA, Hoffman RM.

JAMA Intern Med. 2013 May 27;173(10):866-73. doi: 10.1001/jamainternmed.2013.323.


Using NCCN clinical practice guidelines in oncology to measure the quality of colorectal cancer care in the veterans health administration.

Jackson GL, Zullig LL, Zafar SY, Powell AA, Ordin DL, Gellad ZF, Abbott D, Schlosser JM, Hersh J, Provenzale D.

J Natl Compr Canc Netw. 2013 Apr 1;11(4):431-41.


Fecal occult blood test (FOBT) overuse.

Partin MR, Powell AA, Burgess JF Jr.

J Gen Intern Med. 2013 May;28(5):611. doi: 10.1007/s11606-013-2397-1. No abstract available.


Levels and variation in overuse of fecal occult blood testing in the Veterans Health Administration.

Partin MR, Powell AA, Bangerter A, Halek K, Burgess JF Jr, Fisher DA, Nelson DB.

J Gen Intern Med. 2012 Dec;27(12):1618-25. doi: 10.1007/s11606-012-2163-9. Epub 2012 Jul 19.


Single cell profiling of circulating tumor cells: transcriptional heterogeneity and diversity from breast cancer cell lines.

Powell AA, Talasaz AH, Zhang H, Coram MA, Reddy A, Deng G, Telli ML, Advani RH, Carlson RW, Mollick JA, Sheth S, Kurian AW, Ford JM, Stockdale FE, Quake SR, Pease RF, Mindrinos MN, Bhanot G, Dairkee SH, Davis RW, Jeffrey SS.

PLoS One. 2012;7(5):e33788. doi: 10.1371/journal.pone.0033788. Epub 2012 May 7.


Colorectal cancer diagnosis improvement project evaluation demonstrates the importance of using multiple measures to track progress toward timeliness goals.

Partin MR, Powell AA, Nugent S, Ordin DL.

J Healthc Qual. 2013 May-Jun;35(3):41-8. doi: 10.1111/j.1945-1474.2011.00188.x. Epub 2011 Dec 22.


Medical center characteristics associated with PSA screening in elderly veterans with limited life expectancy.

So C, Kirby KA, Mehta K, Hoffman RM, Powell AA, Freedland SJ, Sirovich B, Yano EM, Walter LC.

J Gen Intern Med. 2012 Jun;27(6):653-60. doi: 10.1007/s11606-011-1945-9. Epub 2011 Dec 17.


Unintended consequences of implementing a national performance measurement system into local practice.

Powell AA, White KM, Partin MR, Halek K, Christianson JB, Neil B, Hysong SJ, Zarling EJ, Bloomfield HE.

J Gen Intern Med. 2012 Apr;27(4):405-12. doi: 10.1007/s11606-011-1906-3. Epub 2011 Oct 13.


Bringing an organizational perspective to the optimal number of colorectal cancer screening options debate.

Partin MR, Powell AA, Burgess DJ, Wilt TJ.

J Gen Intern Med. 2012 Mar;27(3):376-80. doi: 10.1007/s11606-011-1870-y. Epub 2011 Sep 14. Review.


Evaluation of a VHA collaborative to improve follow-up after a positive colorectal cancer screening test.

Powell AA, Nugent S, Ordin DL, Noorbaloochi S, Partin MR.

Med Care. 2011 Oct;49(10):897-903. doi: 10.1097/MLR.0b013e3182204944.


Mental health, frequency of healthcare visits, and colorectal cancer screening.

Kodl MM, Powell AA, Noorbaloochi S, Grill JP, Bangerter AK, Partin MR.

Med Care. 2010 Oct;48(10):934-9. doi: 10.1097/MLR.0b013e3181e57901.


Morphological and physiological characteristics of seeds and their capacity to germinate and survive.

Powell AA.

Ann Bot. 2010 Jun;105(6):975-6. doi: 10.1093/aob/mcq107. No abstract available.


The interrelationships between and contributions of background, cognitive, and environmental factors to colorectal cancer screening adherence.

Partin MR, Noorbaloochi S, Grill J, Burgess DJ, van Ryn M, Fisher DA, Griffin JM, Powell AA, Halek K, Bangerter A, Vernon SW.

Cancer Causes Control. 2010 Sep;21(9):1357-68. doi: 10.1007/s10552-010-9563-0. Epub 2010 Apr 24.


Developing and sustaining quality improvement partnerships in the VA: the Colorectal Cancer Care Collaborative.

Jackson GL, Powell AA, Ordin DL, Schlosser JE, Murawsky J, Hersh J, Ponte G, Zullig LL, Erb F, Parlier R, Haggstrom DA, Koets N, Mills PD, Francis J, Kelley MJ, Davies ML, Provenzale D; VA Colorectal Cancer Care Planning Committee Members.

J Gen Intern Med. 2010 Jan;25 Suppl 1:38-43. doi: 10.1007/s11606-009-1155-x.


Circulating tumour cells demonstrate an altered response to hypoxia and an aggressive phenotype.

Ameri K, Luong R, Zhang H, Powell AA, Montgomery KD, Espinosa I, Bouley DM, Harris AL, Jeffrey SS.

Br J Cancer. 2010 Feb 2;102(3):561-9. doi: 10.1038/sj.bjc.6605491. Epub 2010 Jan 5.


Colorectal cancer screening mode preferences among US veterans.

Powell AA, Burgess DJ, Vernon SW, Griffin JM, Grill JP, Noorbaloochi S, Partin MR.

Prev Med. 2009 Nov;49(5):442-8. doi: 10.1016/j.ypmed.2009.09.002. Epub 2009 Sep 8.


Timely follow-up of positive fecal occult blood tests strategies associated with improvement.

Powell AA, Gravely AA, Ordin DL, Schlosser JE, Partin MR.

Am J Prev Med. 2009 Aug;37(2):87-93. doi: 10.1016/j.amepre.2009.05.013. Epub 2009 Jun 12.


Isolating highly enriched populations of circulating epithelial cells and other rare cells from blood using a magnetic sweeper device.

Talasaz AH, Powell AA, Huber DE, Berbee JG, Roh KH, Yu W, Xiao W, Davis MM, Pease RF, Mindrinos MN, Jeffrey SS, Davis RW.

Proc Natl Acad Sci U S A. 2009 Mar 10;106(10):3970-5. doi: 10.1073/pnas.0813188106. Epub 2009 Feb 20.


Race and the validity of self-reported cancer screening behaviors: development of a conceptual model.

Burgess DJ, Powell AA, Griffin JM, Partin MR.

Prev Med. 2009 Feb;48(2):99-107. doi: 10.1016/j.ypmed.2008.11.014. Epub 2008 Dec 11. Review.


Hospital characteristics associated with timeliness of care in veterans with lung cancer.

Schultz EM, Powell AA, McMillan A, Olsson JK, Enderle MA, Graham BA, Ordin DL, Gould MK.

Am J Respir Crit Care Med. 2009 Apr 1;179(7):595-600. doi: 10.1164/rccm.200806-890OC. Epub 2008 Oct 23.


Timeliness across the continuum of care in veterans with lung cancer.

Powell AA, Schultz EM, Ordin DL, Enderle MA, Graham BA, Partin MR, Gould MK.

J Thorac Oncol. 2008 Sep;3(9):951-7. doi: 10.1097/JTO.0b013e3181839b60.


Validation of self-reported colorectal cancer screening behavior from a mixed-mode survey of veterans.

Partin MR, Grill J, Noorbaloochi S, Powell AA, Burgess DJ, Vernon SW, Halek K, Griffin JM, van Ryn M, Fisher DA.

Cancer Epidemiol Biomarkers Prev. 2008 Apr;17(4):768-76. doi: 10.1158/1055-9965.EPI-07-0759. Epub 2008 Apr 1.


Cell trapping in activated micropores for functional analysis.

Talasaz AH, Powell AA, Stahl P, Ronaghi M, Jeffrey SS, Mindrinos M, Davis RW.

Conf Proc IEEE Eng Med Biol Soc. 2006;1:1838-41. Review.


Ursodeoxycholic acid modulates histone acetylation and induces differentiation and senescence.

Akare S, Jean-Louis S, Chen W, Wood DJ, Powell AA, Martinez JD.

Int J Cancer. 2006 Dec 15;119(12):2958-69.


Inequality as ingroup privilege or outgroup disadvantage: the impact of group focus on collective guilt and interracial attitudes.

Powell AA, Branscombe NR, Schmitt MT.

Pers Soc Psychol Bull. 2005 Apr;31(4):508-21.


Bile acid hydrophobicity is correlated with induction of apoptosis and/or growth arrest in HCT116 cells.

Powell AA, LaRue JM, Batta AK, Martinez JD.

Biochem J. 2001 Jun 1;356(Pt 2):481-6.


The influence of aerated hydration seed treatment on seed longevity as assessed by the viability equations.

Powell AA, Yule LJ, Jing HC, Groot SP, Bino RJ, Pritchard HW.

J Exp Bot. 2000 Dec;51(353):2031-43.


Different bile acids exhibit distinct biological effects: the tumor promoter deoxycholic acid induces apoptosis and the chemopreventive agent ursodeoxycholic acid inhibits cell proliferation.

Martinez JD, Stratagoules ED, LaRue JM, Powell AA, Gause PR, Craven MT, Payne CM, Powell MB, Gerner EW, Earnest DL.

Nutr Cancer. 1998;31(2):111-8.


Peripheral edema.

Powell AA, Armstrong MA.

Am Fam Physician. 1997 Apr;55(5):1721-6. Review.


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