title: Chloroprocaine hydrochloride and obstetric analgesia.
mesh_terms: D000773:Anesthesia, Obstetrical; D005260:Female; D005312:Fetal Blood; D006801:Humans; D008431:Maternal-Fetal Exchange; D011247:Pregnancy; D011343:Procaine / Q000031:analogs & derivatives* / Q000097:blood
chemical_list: D011343:Procaine; C004616:chloroprocaine