title: The precipitin band as a mechanical barrier revealed by gel diffusion studies of gonadotropic hormones.
mesh_terms: D000818:Animals; D000937:Antigen-Antibody Reactions; D005640:Follicle Stimulating Hormone; D006064:Gonadotropins, Equine; D007106:Immune Sera; D005779:Immunodiffusion; D007986:Luteinizing Hormone; D011234:Precipitins; D012756:Sheep; D014508:Urea
chemical_list: D006064:Gonadotropins, Equine; D007106:Immune Sera; D011234:Precipitins; D014508:Urea; D007986:Luteinizing Hormone; D005640:Follicle Stimulating Hormone