Wringer washers and salt-lick goiter: a case for rural medicine.
D002675:Child, Preschool; D003257:Consumer Product Safety; D005260:Female; D006042:Goiter / Q000209:etiology; D006801:Humans; D007855:Lead Poisoning / Q000209:etiology; D008297:Male; D012423:Rural Health; D014903:West Virginia