The epidemiology of cancer therapy. IV. The extraction of data from medical records.
D003581:Cytodiagnosis; D004812:Epidemiologic Methods; D006801:Humans; D007822:Laryngeal Neoplasms / Q000628:therapy; D008175:Lung Neoplasms / Q000628:therapy; D008499:Medical Records; D008722:Methods; D009369:Neoplasms / Q000175:diagnosis / Q000188:drug therapy / Q000473:pathology / Q000532:radiotherapy / Q000601:surgery / Q000628:therapy*; D012004:Rectal Neoplasms / Q000628:therapy; D012189:Retrospective Studies; D013223:Statistics as Topic