title: [Survival analysis using SAS software package].
authors.affiliation: Consulting Center of Biomedical Statistics, Academy of Military Medical Sciences, Beijing 100850, China.
authors.forename: Wei-wei
authors.initials: WW
authors.lastname: Liu
authors.forename: Liang-ping
authors.initials: LP
authors.lastname: Hu
mesh_terms: D006506:Hepatitis A / Q000401:mortality; D006801:Humans; D012984:Software; D012985:Software Design; D016019:Survival Analysis; D001749:Urinary Bladder Neoplasms / Q000401:mortality