Obstetrical anaesthesia in Ontario.
Smedstad
K G
KG
D015360:Analgesia, Epidural / Q000639:trends; D000767:Anesthesia, Epidural / Q000639:trends; D000773:Anesthesia, Obstetrical / Q000639:trends; D005260:Female; D006801:Humans; D009864:Ontario; D011247:Pregnancy