United States physicians in Nicaragua.
D000328:Adult; D002648:Child; D002675:Child, Preschool; D004544:El Salvador; D006721:Honduras; D006801:Humans; D007391:International Cooperation; D009527:Nicaragua; D010819:Physician's Role; D011051:Poliomyelitis / Q000188:drug therapy*; D011054:Poliovirus Vaccine, Inactivated / Q000627:therapeutic use; D012380:Role; D014481:United States; D014857:Warfare; D014947:Wounds and Injuries
D011054:Poliovirus Vaccine, Inactivated