title: [Multicenter clinical trials for superficial esophageal carcinoma].
authors.affiliation: Clinical Trial Promotion Department, Chiba Cancer Center.
authors.forename: Keiko
authors.initials: K
authors.lastname: Minashi
authors.forename: Chikatoshi
authors.initials: C
authors.lastname: Katada
authors.forename: Manabu
authors.initials: M
authors.lastname: Muto
mesh_terms: D004938:Esophageal Neoplasms / Q000175:diagnosis*; D006801:Humans; D015337:Multicenter Studies as Topic