title: Commentary: the hazards of survival comparisons.
authors.affiliation: The University of Texas M.D. Anderson Cancer Center, Houston, Texas 77030-4009, USA. dberry@mdanderson.org
authors.forename: Donald
authors.initials: D
authors.lastname: Berry
mesh_terms: D001943:Breast Neoplasms / Q000453:epidemiology / Q000401:mortality* / Q000628:therapy*; D018572:Disease-Free Survival; D005260:Female; D006801:Humans; D016016:Proportional Hazards Models; D018570:Risk Assessment; D012307:Risk Factors; D013997:Time Factors