Scherer, R. W., Sieving, P. C., Ervin, A., & Dickersin, K. (2012). Can We Depend on Investigators to Identify and Register Randomized Controlled Trials? Public Library of Science.
Παραπομπή Chicago StyleScherer, Roberta W., Pamela C. Sieving, Ann-Margret Ervin, και Kay Dickersin. Can We Depend On Investigators to Identify and Register Randomized Controlled Trials? Public Library of Science, 2012.
Παραπομπή MLAScherer, Roberta W., Pamela C. Sieving, Ann-Margret Ervin, και Kay Dickersin. Can We Depend On Investigators to Identify and Register Randomized Controlled Trials? Public Library of Science, 2012.
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