title: [Human placental lactogen. 6. Stability of biological and immunological activity].
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D004355:Drug Stability; D006358:Hot Temperature; D006863:Hydrogen-Ion Concentration; D007106:Immune Sera; D005779:Immunodiffusion; D010926:Placental Hormones; D010928:Placental Lactogen; D014508:Urea
chemical_list: D007106:Immune Sera; D010926:Placental Hormones; D014508:Urea; D010928:Placental Lactogen