title: Serum levels of IgG and  -macroglobulin and incidence of cryofibrinogenaemia in women taking oral contraceptives.
mesh_terms: D001796:Blood Protein Disorders / Q000453:epidemiology; D003080:Cold Temperature; D003276:Contraceptives, Oral / Q000494:pharmacology*; D005260:Female; D005340:Fibrinogen / Q000032:analysis*; D006801:Humans; D007106:Immune Sera; D005779:Immunodiffusion; D007074:Immunoglobulin G / Q000032:analysis; D007136:Immunoglobulins / Q000032:analysis*; D008234:Lynestrenol / Q000494:pharmacology; D008259:Macroglobulins / Q000032:analysis*; D008656:Mestranol / Q000494:pharmacology; D009640:Norethindrone / Q000494:pharmacology
chemical_list: D003276:Contraceptives, Oral; D007106:Immune Sera; D007074:Immunoglobulin G; D007136:Immunoglobulins; D008259:Macroglobulins; D005340:Fibrinogen; D008656:Mestranol; D008234:Lynestrenol; D009640:Norethindrone