title: Seasonal variations in serum concentration and half-life of hedgehog IgG2.
mesh_terms: D000818:Animals; D001798:Blood Proteins / Q000032:analysis; D006207:Half-Life; D006364:Hedgehogs / Q000276:immunology*; D006605:Hibernation; D005779:Immunodiffusion; D007074:Immunoglobulin G / Q000032:analysis*; D007456:Iodine Isotopes; D012621:Seasons; D012756:Sheep / Q000276:immunology; D013997:Time Factors
chemical_list: D001798:Blood Proteins; D007074:Immunoglobulin G; D007456:Iodine Isotopes