title: Serum immunoglobulin levels in Cabécar and Guaymí Indians in Southeastern Costa Rica.
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D003364:Costa Rica; D005260:Female; D006801:Humans; D005779:Immunodiffusion; D007070:Immunoglobulin A / Q000032:analysis*; D007074:Immunoglobulin G / Q000032:analysis*; D007075:Immunoglobulin M / Q000032:analysis*; D007197:Indians, Central American; D008297:Male; D008875:Middle Aged
chemical_list: D007070:Immunoglobulin A; D007074:Immunoglobulin G; D007075:Immunoglobulin M