000 00445cam a2200181 4500
999 _c22107
_d22107
005 20250301214125.0
082 _a617. 545
_bS554m
090 _aCOLECCION GENERAL
020 _a0812113624
041 0 _aeng
100 1 _aShields, Thomas W.
245 1 _aMediastinal surgery. /
_cThomas W. Shields
250 _a1ยช. ed
260 _bLea y Febiger
_c19910000
_aPennsylvania, us
300 _a400
650 0 7 _aMEDIASTINO.
942 _2ddc
_cBK