[Distribution of ABO blood groups among patients with carcinoma of esophagus and gastric cardia in Linxian People's Hospital (author's transl)].
D000017:ABO Blood-Group System; D002299:Cardia; D004938:Esophageal Neoplasms / Q000097:blood*; D005260:Female; D006801:Humans; D008297:Male; D013274:Stomach Neoplasms / Q000097:blood*
D000017:ABO Blood-Group System