title: Natural antibody production in human tonsils.
mesh_terms: D000818:Animals; D000917:Antibody Formation; D002645:Chickens; D004912:Erythrocytes / Q000276:immunology; D006462:Hemolytic Plaque Technique; D006801:Humans; D007106:Immune Sera; D007074:Immunoglobulin G / Q000096:biosynthesis; D007075:Immunoglobulin M / Q000096:biosynthesis; D008214:Lymphocytes / Q000276:immunology; D014066:Palatine Tonsil / Q000276:immunology*; D011817:Rabbits; D012756:Sheep / Q000276:immunology
chemical_list: D007106:Immune Sera; D007074:Immunoglobulin G; D007075:Immunoglobulin M