000 00301nam a22001217a 4500
050 _aMED RD79
_b.K4
100 _aKeys, T
245 _aSurgery a clinical approach
260 _aNew York :
_b[?],
_c 1945
300 _a200
650 _aThe history of surgical anesthesia / Thomas E. Keys.
942 _cBK
999 _c3489
_d3489