title: SKIN REACTIVITY OF CENTRAL AMERICAN CHILDREN TO HUMAN, AVIAN, AND BATTEY TUBERCULINS.
mesh_terms: D000818:Animals; D001699:Biometry; D001717:Birds; D002489:Central America; D002648:Child; D006801:Humans; D013223:Statistics as Topic; D014373:Tuberculin; D014374:Tuberculin Test; D014481:United States
chemical_list: D014373:Tuberculin
keywords: CENTRAL AMERICA; CHILD; STATISTICS; TUBERCULIN TEST