1. The placental transfer of acetylsalicylic acid in near-term sheep;ANDERSON;Am. J. Obstet. Gynec.,1980
2. Placental transfer of lidocaine: effects of fetal acidosis;BIEHL;Anesthesiolgy,1978
3. Placental transfer of salicylates under constant maternal blood levels;BOULOS;Arch. Int. Pharmacodyn.,1972