title: [Several problems of the clinical research for colorectal carcinoma].
authors.forename: Ping
authors.initials: P
authors.lastname: Zhao
authors.forename: Cheng-feng
authors.initials: CF
authors.lastname: Wang
mesh_terms: D015179:Colorectal Neoplasms / Q000473:pathology / Q000601:surgery*; D006801:Humans; D007902:Length of Stay; D016019:Survival Analysis