title: [Practical limitations of a controlled multicenter therapeutic study with the example of advanced inoperable prostatic cancer].
mesh_terms: D000368:Aged; D002986:Clinical Trials as Topic; D006801:Humans; D008297:Male; D008875:Middle Aged; D011471:Prostatic Neoplasms / Q000401:mortality / Q000473:pathology / Q000628:therapy*
vernacular_title: Praktische Grenzen kontrollierter multizentrischer Therapiestudien am Beispiel des fortgeschrittenen inoperablen Prostatakarzinoms.