Size of phase III cancer clinical trials.
D001943:Breast Neoplasms / Q000401:mortality / Q000628:therapy; D002986:Clinical Trials as Topic / Q000379:methods*; D005260:Female; D006801:Humans; D008297:Male; D009369:Neoplasms / Q000401:mortality / Q000628:therapy*; D011471:Prostatic Neoplasms / Q000401:mortality / Q000628:therapy; D011897:Random Allocation; D012107:Research Design; D012494:Sampling Studies