title: Maternal haemoglobin and the secretion of chorionic gonadotropin in early human pregnancy.
mesh_terms: D000328:Adult; D006063:Chorionic Gonadotropin / Q000097:blood* / Q000378:metabolism; D005260:Female; D005865:Gestational Age; D006454:Hemoglobins / Q000032:analysis*; D006801:Humans; D007231:Infant, Newborn; D008423:Maternal Age; D010920:Placenta / Q000378:metabolism; D011247:Pregnancy; D011256:Pregnancy Outcome; D011261:Pregnancy Trimester, First; D012907:Smoking / Q000009:adverse effects
chemical_list: D006063:Chorionic Gonadotropin; D006454:Hemoglobins