Wiley Encyclopedia of Clinical Trials: Edited by Ralph B. D'Agostino, Lisa Sullivan, and Joseph Massaro
Puhan, M. A., Dickersin, K., Ervin, A.-M., Holbrook, J., Li, T., Scherer, R., Ssemanda, E., Vedula, S.Volume:
170
Language:
english
Journal:
American Journal of Epidemiology
DOI:
10.1093/aje/kwp241
Date:
September, 2009
File:
PDF, 46 KB
english, 2009