title: Estimation of human chorionic somatomammotropin (HCS) levels during normal pregnancy using a rapid radioimmunoassay.
mesh_terms: D002850:Chromatography, Gel; D002940:Circadian Rhythm; D005260:Female; D006801:Humans; D007457:Iodine Radioisotopes; D008722:Methods; D010928:Placental Lactogen / Q000097:blood*; D011247:Pregnancy; D011248:Pregnancy Complications / Q000097:blood; D011863:Radioimmunoassay
chemical_list: D007457:Iodine Radioisotopes; D010928:Placental Lactogen