000 00341nam a22001337a 4500
020 _a0721636055
050 _aMED RC941
_bF4
100 _aFelson, Benjamin
245 _aPrinciples of chest roentgenology:a programed text
260 _aPhiladelphia
_bW.B.Saunders
_c1965
300 _axi,221p.
_bill.
650 _aRoentgenology
942 _cBK
999 _c17926
_d17926