title: A case of "common variable immunodeficiency" with reduced C2 activity and multiple associations.
mesh_terms: D000328:Adult; D000361:Agammaglobulinemia / Q000150:complications*; D003175:Complement C2 / Q000172:deficiency*; D006801:Humans; D006968:Hypersensitivity, Delayed / Q000150:complications*; D007111:Immunity, Cellular; D007136:Immunoglobulins / Q000032:analysis; D008297:Male; D010586:Phagocytes / Q000145:classification; D013601:T-Lymphocytes / Q000145:classification; D013936:Thymidine / Q000378:metabolism
chemical_list: D003175:Complement C2; D007136:Immunoglobulins; D013936:Thymidine