000			00306nam a2200133Ia 4500
008			220613s9999||||xx |||||||||||||| ||und||
100			_aJohn T Martin
245		0	_aPositioning In Anesthesia And Surgery
250			_a1978
260			_bW.B.SAUNDERS
300			_a230
650			_aAnesthesia
942			_cSURG
999			_c580 _d580