title: The association of giardiasis with reduced intestinal secretory immunoglobulin A.
mesh_terms: D000328:Adult; D000361:Agammaglobulinemia / Q000150:complications; D003967:Diarrhea / Q000209:etiology; D004386:Duodenum / Q000276:immunology*; D005873:Giardiasis / Q000150:complications / Q000276:immunology*; D006801:Humans; D007070:Immunoglobulin A / Q000378:metabolism; D007074:Immunoglobulin G / Q000378:metabolism; D007136:Immunoglobulins / Q000378:metabolism*; D007413:Intestinal Mucosa; D007419:Intestinal Secretions / Q000276:immunology*; D007583:Jejunum / Q000276:immunology; D008286:Malabsorption Syndromes / Q000209:etiology; D008297:Male; D008875:Middle Aged
chemical_list: D007070:Immunoglobulin A; D007074:Immunoglobulin G; D007136:Immunoglobulins