title: Clinical trials in oncology: some data collection features.
authors.forename: V
authors.initials: V
authors.lastname: Valentini
authors.forename: N
authors.initials: N
authors.lastname: Cellini
authors.forename: C
authors.initials: C
authors.lastname: Stella
mesh_terms: D002986:Clinical Trials as Topic / Q000379:methods*; D003625:Data Collection / Q000379:methods*; D003663:Decision Trees; D005568:Forms and Records Control; D006801:Humans; D008499:Medical Records; D009369:Neoplasms / Q000532:radiotherapy*