Michigan doctors describe Vietnam experiences as volunteers.
D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D008297:Male; D008489:Medical Indigency; D008824:Michigan; D014330:Tropical Medicine; D014744:Vietnam; D014838:Volunteers; D014857:Warfare