title: Effects of x-irradiation on steroid sy nthesis in the human placenta.
mesh_terms: D002854:Chromatography, Paper; D005260:Female; D006801:Humans; D006913:Hydroxysteroid Dehydrogenases / Q000528:radiation effects*; D010088:Oxidoreductases / Q000528:radiation effects; D010920:Placenta / Q000201:enzymology / Q000528:radiation effects*; D011247:Pregnancy; D011284:Pregnenolone / Q000378:metabolism*; D011374:Progesterone / Q000096:biosynthesis*; D011830:Radiation Effects
chemical_list: D011374:Progesterone; D011284:Pregnenolone; D010088:Oxidoreductases; D006913:Hydroxysteroid Dehydrogenases