title: Clinical trials in the elderly--a concept comes of age.
authors.forename: Lillian L
authors.initials: LL
authors.lastname: Siu
mesh_terms: D000367:Age Factors; D000368:Aged; D001932:Brain Neoplasms / Q000401:mortality / Q000532:radiotherapy*; D002986:Clinical Trials as Topic; D005909:Glioblastoma / Q000401:mortality / Q000532:radiotherapy*; D006801:Humans; D018579:Patient Selection; D011287:Prejudice