000 003770000a22001450004500
008 140223b1975 xxu||||| |||| 00| 0 eng d
041 _aEng
080 _aL45:4 L5
082 _aL45:4 L5
100 _aMORGAN William Keith C
245 _aOccupational lung diseases.
260 _aPhiladelphia
_bSaunders
_c1975
650 _aRESPIRATORY SYSTEM
700 _aSEATON Anthony
999 _c102269
_d102269