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Clinical research in rheumatology 20122013: methodologic considerations in study design

Gelber, Allan C.

Current Opinion in Rheumatology: March 2014 - Volume 26 - Issue 2 - p 109–110
doi: 10.1097/BOR.0000000000000039
EPIDEMIOLOGY AND HEALTH-RELATED SERVICES: Edited by Allan C. Gelber