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    Results: 1 to 20 of 99

    1.

    Levels of methyleugenol in a subset of adults in the general U.S. population as determined by high resolution mass spectrometry.

    Barr DB, Barr JR, Bailey SL, Lapeza CR Jr, Beeson MD, Caudill SP, Maggio VL, Schecter A, Masten SA, Lucier GW, Needham LL, Sampson EJ.

    Environ Health Perspect. 2000 Apr;108(4):323-8.PMID: 10753090 [PubMed - indexed for MEDLINE]Related articlesFree article

    2.

    A multi-analyte method for the quantification of contemporary pesticides in human serum and plasma using high-resolution mass spectrometry.

    Barr DB, Barr JR, Maggio VL, Whitehead RD Jr, Sadowski MA, Whyatt RM, Needham LL.

    J Chromatogr B Analyt Technol Biomed Life Sci. 2002 Oct 5;778(1-2):99-111.PMID: 12376118 [PubMed - indexed for MEDLINE]Related articles

    3.

    Human consumption of methyleugenol and its elimination from serum.

    Schecter A, Lucier GW, Cunningham ML, Abdo KM, Blumenthal G, Silver AG, Melnick R, Portier C, Barr DB, Barr JR, Stanfill SB, Patterson DG Jr, Needham LL, Stopford W, Masten S, Mignogna J, Tung KC.

    Environ Health Perspect. 2004 May;112(6):678-80.PMID: 15121510 [PubMed - indexed for MEDLINE]Related articlesFree article

    4.

    Automated solid-phase extraction and measurement of perfluorinated organic acids and amides in human serum and milk.

    Kuklenyik Z, Reich JA, Tully JS, Needham LL, Calafat AM.

    Environ Sci Technol. 2004 Jul 1;38(13):3698-704.PMID: 15296323 [PubMed - indexed for MEDLINE]Related articles

    5.

    Polyfluoroalkyl chemicals in the U.S. population: data from the National Health and Nutrition Examination Survey (NHANES) 2003-2004 and comparisons with NHANES 1999-2000.

    Calafat AM, Wong LY, Kuklenyik Z, Reidy JA, Needham LL.

    Environ Health Perspect. 2007 Nov;115(11):1596-602.PMID: 18007991 [PubMed - indexed for MEDLINE]Related articlesFree article

    6.

    Quantification of aflatoxin-B1-N7-Guanine in human urine by high-performance liquid chromatography and isotope dilution tandem mass spectrometry.

    Egner PA, Groopman JD, Wang JS, Kensler TW, Friesen MD.

    Chem Res Toxicol. 2006 Sep;19(9):1191-5.PMID: 16978023 [PubMed - indexed for MEDLINE]Related articles

    7.

    Urinary concentrations of triclosan in the U.S. population: 2003-2004.

    Calafat AM, Ye X, Wong LY, Reidy JA, Needham LL.

    Environ Health Perspect. 2008 Mar;116(3):303-7.PMID: 18335095 [PubMed - indexed for MEDLINE]Related articlesFree article

    8.

    Urinary concentrations of bisphenol A and 4-nonylphenol in a human reference population.

    Calafat AM, Kuklenyik Z, Reidy JA, Caudill SP, Ekong J, Needham LL.

    Environ Health Perspect. 2005 Apr;113(4):391-5.PMID: 15811827 [PubMed - indexed for MEDLINE]Related articlesFree article

    9.

    Water-soluble vitamins.

    Konings EJ; Committee on Food Nutrition.

    J AOAC Int. 2006 Jan-Feb;89(1):285-8.PMID: 16512258 [PubMed - indexed for MEDLINE]Related articles

    10.

    Measurement of toxaphene congeners in pooled human serum collected in three U.S. cities using high-resolution mass spectrometry.

    Barr JR, Woolfitt AR, Maggio VL, Patterson DG Jr.

    Arch Environ Contam Toxicol. 2004 May;46(4):551-6.PMID: 15253054 [PubMed - indexed for MEDLINE]Related articles

    11.

    Determination of a site-specific reference dose for methylmercury for fish-eating populations.

    Shipp AM, Gentry PR, Lawrence G, Van Landingham C, Covington T, Clewell HJ, Gribben K, Crump K.

    Toxicol Ind Health. 2000 Nov;16(9-10):335-438. Review.PMID: 11762928 [PubMed - indexed for MEDLINE]Related articles

    12.

    Comparison between external and internal standard calibration in the validation of an analytical method for 1-hydroxypyrene in human urine by high-performance liquid chromatography/tandem mass spectrometry.

    Pigini D, Cialdella AM, Faranda P, Tranfo G.

    Rapid Commun Mass Spectrom. 2006;20(6):1013-8.PMID: 16479558 [PubMed - indexed for MEDLINE]Related articles

    13.

    Urinary creatinine concentrations in the U.S. population: implications for urinary biologic monitoring measurements.

    Barr DB, Wilder LC, Caudill SP, Gonzalez AJ, Needham LL, Pirkle JL.

    Environ Health Perspect. 2005 Feb;113(2):192-200.PMID: 15687057 [PubMed - indexed for MEDLINE]Related articlesFree article

    14.

    Development and evaluation of a candidate reference measurement procedure for the determination of testosterone in human serum using isotope dilution liquid chromatography/tandem mass spectrometry.

    Tai SS, Xu B, Welch MJ, Phinney KW.

    Anal Bioanal Chem. 2007 Jul;388(5-6):1087-94. Epub 2007 May 26.PMID: 17530229 [PubMed - indexed for MEDLINE]Related articles

    15.

    Polybrominated diphenyl ether (PBDE) levels in an expanded market basket survey of U.S. food and estimated PBDE dietary intake by age and sex.

    Schecter A, Päpke O, Harris TR, Tung KC, Musumba A, Olson J, Birnbaum L.

    Environ Health Perspect. 2006 Oct;114(10):1515-20.PMID: 17035135 [PubMed - indexed for MEDLINE]Related articlesFree article

    16.

    Determination of serum uric acid using high-performance liquid chromatography (HPLC)/isotope dilution mass spectrometry (ID-MS) as a candidate reference method.

    Dai X, Fang X, Zhang C, Xu R, Xu B.

    J Chromatogr B Analyt Technol Biomed Life Sci. 2007 Oct 1;857(2):287-95. Epub 2007 Aug 2.PMID: 17704012 [PubMed - indexed for MEDLINE]Related articles

    17.

    Serum concentrations of 11 polyfluoroalkyl compounds in the u.s. population: data from the national health and nutrition examination survey (NHANES).

    Calafat AM, Kuklenyik Z, Reidy JA, Caudill SP, Tully JS, Needham LL.

    Environ Sci Technol. 2007 Apr 1;41(7):2237-42.PMID: 17438769 [PubMed - indexed for MEDLINE]Related articles

    18.

    The association between biomarker-based exposure estimates for phthalates and demographic factors in a human reference population.

    Koo JW, Parham F, Kohn MC, Masten SA, Brock JW, Needham LL, Portier CJ.

    Environ Health Perspect. 2002 Apr;110(4):405-10.PMID: 11940459 [PubMed - indexed for MEDLINE]Related articlesFree article

    19.

    Measurement of p-nitrophenol in the urine of residents whose homes were contaminated with methyl parathion.

    Barr DB, Turner WE, DiPietro E, McClure PC, Baker SE, Barr JR, Gehle K, Grissom RE Jr, Bravo R, Driskell WJ, Patterson DG Jr, Hill RH Jr, Needham LL, Pirkle JL, Sampson EJ.

    Environ Health Perspect. 2002 Dec;110 Suppl 6:1085-91.PMID: 12634145 [PubMed - indexed for MEDLINE]Related articlesFree article

    20.

    Quantification of urinary excretion of 1,N6-ethenoadenine, a potential biomarker of lipid peroxidation, in humans by stable isotope dilution liquid chromatography-electrospray ionization-tandem mass spectrometry: comparison with gas chromatography-mass spectrometry.

    Chen HJ, Chang CM.

    Chem Res Toxicol. 2004 Jul;17(7):963-71.PMID: 15257622 [PubMed - indexed for MEDLINE]Related articles

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