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Items: 1 to 50 of 57

1.

General discussion of data quality challenges in social media metrics: Extensive comparison of four major altmetric data aggregators.

Zahedi Z, Costas R.

PLoS One. 2018 May 17;13(5):e0197326. doi: 10.1371/journal.pone.0197326. eCollection 2018.

2.

Reflections around 'the cautionary use' of the h-index: response to Teixeira da Silva and Dobránszki.

Costas R, Franssen T.

Scientometrics. 2018;115(2):1125-1130. doi: 10.1007/s11192-018-2683-0. Epub 2018 Mar 9.

3.

Testing Hypotheses on Risk Factors for Scientific Misconduct via Matched-Control Analysis of Papers Containing Problematic Image Duplications.

Fanelli D, Costas R, Fang FC, Casadevall A, Bik EM.

Sci Eng Ethics. 2018 Feb 19. doi: 10.1007/s11948-018-0023-7. [Epub ahead of print]

PMID:
29460082
4.

Scientists have most impact when they're free to move.

Sugimoto CR, Robinson-Garcia N, Murray DS, Yegros-Yegros A, Costas R, Larivière V.

Nature. 2017 Oct 4;550(7674):29-31. doi: 10.1038/550029a. No abstract available.

PMID:
28980663
5.

Beyond funding: Acknowledgement patterns in biomedical, natural and social sciences.

Paul-Hus A, Díaz-Faes AA, Sainte-Marie M, Desrochers N, Costas R, Larivière V.

PLoS One. 2017 Oct 4;12(10):e0185578. doi: 10.1371/journal.pone.0185578. eCollection 2017.

6.

The unbearable emptiness of tweeting-About journal articles.

Robinson-Garcia N, Costas R, Isett K, Melkers J, Hicks D.

PLoS One. 2017 Aug 24;12(8):e0183551. doi: 10.1371/journal.pone.0183551. eCollection 2017.

7.

Meta-assessment of bias in science.

Fanelli D, Costas R, Ioannidis JP.

Proc Natl Acad Sci U S A. 2017 Apr 4;114(14):3714-3719. doi: 10.1073/pnas.1618569114. Epub 2017 Mar 20.

8.

Increasing The Genetic Admixture of Available Lines of Human Pluripotent Stem Cells.

Tofoli FA, Dasso M, Morato-Marques M, Nunes K, Pereira LA, da Silva GS, Fonseca SA, Costas RM, Santos HC, da Costa Pereira A, Lotufo PA, Bensenor IM, Meyer D, Pereira LV.

Sci Rep. 2016 Oct 6;6:34699. doi: 10.1038/srep34699.

9.

How Many Is Too Many? On the Relationship between Research Productivity and Impact.

Larivière V, Costas R.

PLoS One. 2016 Sep 28;11(9):e0162709. doi: 10.1371/journal.pone.0162709. eCollection 2016.

10.

A Euploid Line of Human Embryonic Stem Cells Derived from a 43,XX,dup(9q),+12,-14,-15,-18,-21 Embryo.

Fonseca SA, Costas RM, Morato-Marques M, Costa S, Alegretti JR, Rosenberg C, da Motta EL, Serafini PC, Pereira LV.

PLoS One. 2015 Nov 5;10(11):e0140999. doi: 10.1371/journal.pone.0140999. eCollection 2015.

11.

Misconduct Policies, Academic Culture and Career Stage, Not Gender or Pressures to Publish, Affect Scientific Integrity.

Fanelli D, Costas R, Larivière V.

PLoS One. 2015 Jun 17;10(6):e0127556. doi: 10.1371/journal.pone.0127556. eCollection 2015.

12.

Correction: Characterizing social media metrics of scholarly papers: the effect of document properties and collaboration patterns.

Haustein S, Costas R, Larivière V.

PLoS One. 2015 May 8;10(5):e0127830. doi: 10.1371/journal.pone.0127830. eCollection 2015. No abstract available.

13.

Searching for naïve human pluripotent stem cells.

Fonseca SA, Costas RM, Pereira LV.

World J Stem Cells. 2015 Apr 26;7(3):649-56. doi: 10.4252/wjsc.v7.i3.649. Review.

14.

Characterizing social media metrics of scholarly papers: the effect of document properties and collaboration patterns.

Haustein S, Costas R, Larivière V.

PLoS One. 2015 Mar 17;10(3):e0120495. doi: 10.1371/journal.pone.0120495. eCollection 2015. Erratum in: PLoS One. 2015;10(5):e0127830.

15.

'Seed + expand': a general methodology for detecting publication oeuvres of individual researchers.

Reijnhoudt L, Costas R, Noyons E, Börner K, Scharnhorst A.

Scientometrics. 2014;101(2):1403-1417. Epub 2014 Mar 5.

16.

Depressive symptoms in a sample of Afro-Caribbean and Latino immigrant cancer patients: a comparative analysis.

Costas R, Gany F.

Support Care Cancer. 2013 Sep;21(9):2461-8. doi: 10.1007/s00520-013-1813-8. Epub 2013 Apr 19.

17.
18.
19.

Self-citations at the meso and individual levels: effects of different calculation methods.

Costas R, van Leeuwen TN, Bordons M.

Scientometrics. 2010 Mar;82(3):517-537. Epub 2010 Feb 17.

20.

An epidemiological study on coronary heart disease in PR. The Puerto Rico Heart Health Program. 1969.

García-Palmieri MR, Feliberti M, Costas R Jr, Colón AA, Cruz-Vidal M, Cortés-Alicea M, Ayala AM, Sobrino R, Torres R.

Bol Asoc Med P R. 2002 Jan-Dec;94(1-12):61-7. No abstract available.

PMID:
12898736
21.

Application of the sequential elution technique to determine Cd and Cu cellular location in Ulva lactuca Linnaeus.

Costas RC, López J.

Arch Environ Contam Toxicol. 2001 Nov;41(4):427-35.

PMID:
11598779
22.

Left ventricular hypertrophy among dark- and light-skinned Puerto Rican men: the Puerto Rico Heart Health Program.

Sorlie PD, García-Palmieri MR, Costas R Jr.

Am Heart J. 1988 Sep;116(3):777-83.

PMID:
2970772
23.

Urban-rural differences in 12 year coronary heart disease mortality: the Puerto Rico Heart Health Program.

Garcia-Palmieri MR, Sorlie PD, Havlik RJ, Costas R Jr, Cruz-Vidal M.

J Clin Epidemiol. 1988;41(3):285-92.

PMID:
3339382
24.

Milk consumption, calcium intake, and decreased hypertension in Puerto Rico. Puerto Rico Heart Health Program study.

Garcia-Palmieri MR, Costas R Jr, Cruz-Vidal M, Sorlie PD, Tillotson J, Havlik RJ.

Hypertension. 1984 May-Jun;6(3):322-8.

PMID:
6547404
25.

Abnormal blood glucose and coronary heart disease: the Puerto Rico Heart Health Program.

Cruz-Vidal M, Garcia-Palmieri MR, Costas R Jr, Sorlie PD, Havlik RJ.

Diabetes Care. 1983 Nov-Dec;6(6):556-61.

PMID:
6606547
26.

Alcohol and coronary heart disease in Puerto Rico.

Kittner SJ, Garcia-Palmieri MR, Costas R Jr, Cruz-Vidal M, Abbott RD, Havlik RJ.

Am J Epidemiol. 1983 May;117(5):538-50.

PMID:
6846312
27.

Increased physical activity: a protective factor against heart attacks in Puerto Rico.

Garcia-Palmieri MR, Costas R Jr, Cruz-Vidal M, Sorlie PD, Havlik RJ.

Am J Cardiol. 1982 Oct;50(4):749-55.

PMID:
7124632
28.

Cigarette smoking and coronary heart disease in Puerto Rico.

Sorlie PD, Garcia-Palmieri MR, Costas R, Cruz-Vidal M, Havlik R.

Prev Med. 1982 May;11(3):304-16. No abstract available.

PMID:
7111227
29.

An apparent inverse relationship between serum cholesterol and cancer mortality in Puerto Rico.

Garcia-Palmieri MR, Sorlie PD, Costas R Jr, Havlik RJ.

Am J Epidemiol. 1981 Jul;114(1):29-40.

PMID:
7246528
30.

Coronary heart disease risk factors in men with light and dark skin in Puerto Rico.

Costas R Jr, Garcia-Palmieri MR, Sorlie P, Hertzmark E.

Am J Public Health. 1981 Jun;71(6):614-9.

31.

The relation of antemortem factors to atherosclerosis at autopsy. The Puerto Rico Heart Health Program.

Sorlie PD, Garcia-Palmieri MR, Castillo-Staab MI, Costas R Jr, Oalmann MC, Havlik R.

Am J Pathol. 1981 Jun;103(3):345-52.

32.

Hematocrit and risk of coronary heart disease: the Puerto Rico Health Program.

Sorlie PD, Garcia-Palmieri MR, Costas R Jr, Havlik RJ.

Am Heart J. 1981 Apr;101(4):456-61.

PMID:
7211675
33.

Relationship of dietary intake to subsequent coronary heart disease incidence: The Puerto Rico Heart Health Program.

Garcia-Palmieri MR, Sorlie P, Tillotson J, Costas R Jr, Cordero E, Rodriguez M.

Am J Clin Nutr. 1980 Aug;33(8):1818-27.

PMID:
7405884
34.

Expected risk of coronary heart disease in Puerto Rican men.

Costas R Jr, García-Palmieri MR, Vidal MC, Sorlie P.

Bol Asoc Med P R. 1980 Mar;72(3):98-110. No abstract available.

PMID:
6930277
35.

Factors related to diabetes mellitus in Puerto Rican men.

Cruz-Vidal M, Costas R Jr, García-Palmieri MR, Sorlie PD, Hertzmark E.

Diabetes. 1979 Apr;28(4):300-7.

PMID:
437369
36.

Urban-rural differences in coronary heart disease in a low incidence area. The Puerto Rico heart study.

García-Palmieri MR, Costas R Jr, Cruz-Vidal M, Cortés-Alicea M, Patterne D, Rojas-Franco L, Sorlie PD, Kannel WB.

Am J Epidemiol. 1978 Mar;107(3):206-15.

PMID:
629258
37.

Nutrient intake and serum lipids in urban and rural Puerto Rican men.

Garcia-Palmieri MR, Tillotson J, Cordero E, Costas R Jr, Sorlie P, Gordon T, Kannel WB, Colon AA.

Am J Clin Nutr. 1977 Dec;30(12):2092-100.

PMID:
930880
38.

Serum lipoprotein patterns in Puerto Rican men.

Gulbrandsen CL, García Palmieri MR, Tillotson J, Nazario E, Costas R Jr, Colón AA.

Bol Asoc Med P R. 1975 Jun;67(6):148-56. No abstract available.

PMID:
1055587
39.

Response rate and reasons for non-response in an epidemiological study - The Puerto Rico heart health program.

Costas R Jr, García-Palmieri MR, Feliberti M, Ayala AM, Cortés-Alicea M, Cruz-Vidal M.

Bol Asoc Med P R. 1975 Mar;67(3):60-6. No abstract available.

PMID:
1054593
40.

Cerebrovascular and peripheral vascular disease: prevalence in Puerto Rican males.

Costas R Jr, Garía-Palmieri MR, Cortés-Alicea M, Cruz-Vidal M, Patterne D, Ayala AA.

Bol Asoc Med P R. 1973 Jan;65(1):7-9. No abstract available.

PMID:
4532559
41.

Interrelationship of serum lipids with relative weight, blood glucose, and physical activity.

García-Palmieri MR, Costas R Jr, Schiffman J, Colón AA, Torres R, Nazario E.

Circulation. 1972 Apr;45(4):829-36. No abstract available.

PMID:
5016015
42.

Risk factors and prevalence of coronary heart disease in Puerta Rico.

García-Palmieri MR, Costas R Jr, Cruz-Vidal M, Cortés-Alicea M, Colón AA, Feliberti M, Ayala AM, Patterne D, Sobrino R, Torres R, Nazario E.

Circulation. 1970 Sep;42(3):541-9. No abstract available.

PMID:
5451238
43.

Dietary interviews in an epidemiological study of coronary artery disease in Puerto Rico.

Rodríguez M, Costas R Jr, Cordero E, Tillotson J, García-Palmieri M.

Bol Asoc Med P R. 1969 Jun;61(6):202-6. No abstract available.

PMID:
5258251
44.

Statistical procedures for quality control in the Puerto Rico Heart Health Program.

Torres R, Costas R Jr, García-Palmieri MR.

Bol Asoc Med P R. 1969 Jun;61(6):212-4. No abstract available.

PMID:
5257823
45.

Morbidity and mortality surveillance in a prospective epidemiological study of coronary heart disease.

Costas R Jr, García-Palmieri MR, Feliberti M.

Bol Asoc Med P R. 1969 Jun;61(6):207-11. No abstract available.

PMID:
5257822
46.

The electrocardiographic criteria in a population study on ischemic heart disease in Puerto Rico.

García-Palmieri MR, Costas R Jr, Cruz-Vidal M, Cortés-Alicea M.

Bol Asoc Med P R. 1969 Jun;61(6):190-7. No abstract available.

PMID:
5257821
47.

The criteria for diagnosis of disease in a cardiovascular epidemiological study: The Puerto Rico Heart Health Program.

García-Palmieri MR, Costas R Jr, Colón AA.

Bol Asoc Med P R. 1969 Jun;61(6):184-9. No abstract available.

PMID:
5257820
48.

Operational procedures at the Puerto Rico Heart Health Program Clinic.

Costas R Jr, Feliberti M, García-Palmieri MR, Colón AA, Cruz-Vidal M, Cortés-Alicea M, Ayala AM, Sobrino R.

Bol Asoc Med P R. 1969 Jun;61(6):180-3. No abstract available.

PMID:
5257819
49.

An epidemiological study on coronary heart disease in Puerto Rico: The Puerto Rico Heart Health Program.

García-Palmieri MR, Feliberti M, Costas R Jr, Colón AA, Cruz-Vidal M, Cortés-Alicea M, Ayala AM, Sobrino R, Torres R.

Bol Asoc Med P R. 1969 Jun;61(6):174-9. No abstract available.

PMID:
5257818
50.

Blood pressure and cholesterol levels in Puerto Rican groups. 3. Hospital visitors, rural dwellers, and urban dwellers.

Costas R Jr, García Palmieri MR, Feliberti M, Benzon H, Colón AA, Aixalá R, Nazario EA.

Bol Asoc Med P R. 1968 Jan;60(1):1-5. No abstract available.

PMID:
5262414

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