Studies on twins. I. Typhoid favours cotwins.
D000293:Adolescent; D000328:Adult; D000886:Anthropometry; D001076:Aptitude; D002648:Child; D003878:Dermatoglyphics; D004200:Diseases in Twins; D005260:Female; D006801:Humans; D007360:Intelligence; D008297:Male; D010858:Pigmentation; D012313:RNA / Q000378:metabolism; D014435:Typhoid Fever / Q000378:metabolism
D012313:RNA