title: Correlation between plasma unconjugated estriol and 16alpha-hydroxyprogesterone during human pregnancy.
mesh_terms: D006907:17-alpha-Hydroxypregnenolone / Q000378:metabolism; D004964:Estriol / Q000097:blood* / Q000378:metabolism; D005260:Female; D005865:Gestational Age; D006801:Humans; D006900:Hydroxylation; D006908:Hydroxyprogesterones / Q000097:blood* / Q000378:metabolism; D011247:Pregnancy; D011863:Radioimmunoassay
chemical_list: D006908:Hydroxyprogesterones; D006907:17-alpha-Hydroxypregnenolone; D004964:Estriol