(1981). Co-ordination of trials in breast cancer.
Dyfyniad Arddull ChicagoCo-ordination of Trials in Breast Cancer. 1981.
Dyfyniad MLACo-ordination of Trials in Breast Cancer. 1981.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.