Karin Johnson

The migration of physicians from sub-Saharan Africa to the United States of America: measures of the African brain drain

Amy Hagopian, Matthew Thompson, Meredith A. Fordyce et al. · Human Resources for Health · 2004 · 427 citations · Full text

Public Health, Health Systems, Clinical Medicine +12

The Use of Dietary Supplements and Medications by Canadian Athletes at the Atlanta and Sydney Olympic Games

Shih‐Han Huang, Karin Johnson, Andrew Pipe · Clinical Journal of Sport Medicine · 2005 · 208 citations

Agriculture, Nutrition, Nutritional Sciences +14

A Conceptual Model of the Role of Complexity in the Care of Patients With Multiple Chronic Conditions

David Grembowski, Judith Schaefer, Karin Johnson et al. · Medical Care · 2014 · 180 citations

Public Affairs, Health Systems, Health Services Research +16

Validation of an algorithm to estimate gestational age in electronic health plan databases

Qian Li, Susan E. Andrade, William O. Cooper et al. · Pharmacoepidemiology and Drug Safety · 2013 · 115 citations

Medicine, Maternal Health, Obstetrics +16

A measure of risk taking for young adolescents: Reliability and validity assessments

Cheryl Alexander, Young J. Kim, Margaret E. Ensminger et al. · Journal of Youth and Adolescence · 1990 · 102 citations

Social Sciences, Educational Psychology, Adolescent Development +12