title: Placental membrane permeability to creatinine and urea.
mesh_terms: D000653:Amniotic Fluid / Q000032:analysis; D003404:Creatinine / Q000378:metabolism*; D005321:Extraembryonic Membranes / Q000378:metabolism*; D005260:Female; D006801:Humans; D066298:In Vitro Techniques; D010539:Permeability; D010920:Placenta / Q000378:metabolism*; D011247:Pregnancy; D014508:Urea / Q000378:metabolism*; D014556:Urine
chemical_list: D014508:Urea; D003404:Creatinine