Ed by Shapiro, S. (1983). Clinical trials: Issues and approach. Marcel Dekker.
Dyfyniad Arddull ChicagoEd by Shapiro, Stanley. Clinical Trials: Issues and Approach. New York: Marcel Dekker, 1983.
Dyfyniad MLAEd by Shapiro, Stanley. Clinical Trials: Issues and Approach. Marcel Dekker, 1983.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.