Crawford, J. Selwyn (Jeffrey Selwyn) Obstetric analgesia and anaesthesia/ By J. Selwyn Crawford. - Edinburgh: Churchill Livingstone., 1982. - viii, 154 pages : illustrations ; 22 cm. pbk. - Current reviews in obstetrics and gynaecology 1. . Includes bibliographies and index. ISBN: 0443022895 Subjects--Topical Terms: Anesthesia in obstetrics.Analgesia--Methods.Anesthesia, Obstetrical--Adverse effects.Anesthesia, Obstetrical--Methods.Labor--Drug effects.