title: Effects of spinal anesthesia on pregnant human uterine contractility. I. Effects during pregnancy.
mesh_terms: D000775:Anesthesia, Spinal / Q000009:adverse effects*; D000818:Animals; D004322:Drainage; D005260:Female; D006801:Humans; D009119:Muscle Contraction / Q000187:drug effects*; D006831:Polyhydramnios / Q000601:surgery*; D011247:Pregnancy; D011343:Procaine / Q000009:adverse effects*; D014599:Uterus / Q000187:drug effects*
chemical_list: D011343:Procaine