title: Placental transfer of lead, mercury, cadmium, and carbon monoxide in women. II. influence of some epidemiological factors on the frequency distributions of the biological indices in maternal and umbilical cord blood.
mesh_terms: D000624:5-Aminolevulinate Synthetase / Q000097:blood; D000367:Age Factors; D000428:Alcohol Drinking; D002104:Cadmium / Q000378:metabolism*; D002248:Carbon Monoxide / Q000378:metabolism*; D002263:Carboxyhemoglobin / Q000378:metabolism; D005260:Female; D006801:Humans; D007854:Lead / Q000378:metabolism*; D008431:Maternal-Fetal Exchange; D008628:Mercury / Q000378:metabolism*; D010920:Placenta / Q000378:metabolism; D011247:Pregnancy; D012424:Rural Population; D012907:Smoking / Q000503:physiopathology; D014505:Urban Population
chemical_list: D002104:Cadmium; D007854:Lead; D002248:Carbon Monoxide; D002263:Carboxyhemoglobin; D000624:5-Aminolevulinate Synthetase; D008628:Mercury