title: Cold agglutinin anti-I and Mycoplasma pneumoniae.
mesh_terms: D000906:Antibodies / Q000032:analysis*; D000937:Antigen-Antibody Reactions; D003168:Complement Fixation Tests; D006801:Humans; D009174:Mycoplasma / Q000276:immunology; D009175:Mycoplasma Infections / Q000276:immunology*; D008258:Waldenstrom Macroglobulinemia / Q000276:immunology*
chemical_list: D000906:Antibodies