Cholera and blood-groups.
D000017:ABO Blood-Group System; D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D002771:Cholera / Q000097:blood* / Q000209:etiology; D005260:Female; D006801:Humans; D007194:India; D008297:Male; D008875:Middle Aged; D012204:Rh-Hr Blood-Group System
D000017:ABO Blood-Group System; D012204:Rh-Hr Blood-Group System