The placental transmission of pethidine.
D000328:Adult; D001769:Blood; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007273:Injections, Intramuscular; D007275:Injections, Intravenous; D008431:Maternal-Fetal Exchange; D008614:Meperidine / Q000378:metabolism*; D011247:Pregnancy; D014556:Urine
D008614:Meperidine