title: The relationship between ABO blood groups and schizophrenia. A report of negative findings.
mesh_terms: D000017:ABO Blood-Group System; D000328:Adult; D000368:Aged; D002908:Chronic Disease; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012075:Remission, Spontaneous; D012559:Schizophrenia / Q000097:blood* / Q000175:diagnosis
chemical_list: D000017:ABO Blood-Group System