000			00408nam a22001577a 4500
050			_aMED RG101 _bG6
100			_aCrawford, J. Selwyn.
245			_aObstetric analgesia and anaesthesia
250			_a2nd ed.
260			_aEdinburgh _bChurchill Livingstone _c1984
300			_a169 p.
650			_aAnesthesia in obstetrics
650			_aAnalgesia - methods
650			_aLabor- drug effects
942			_cBK
999			_c13226 _d13226