000 004000a00a22001690004500
020 _a0-632-00577-7
245 _aRespiratory Diseases
250 _a3rd
100 _aSir John Crofton and Andrew Douglas
260 _bBlackwell Scientific
260 _c1981
300 _a1-819pgs with index
306 _aRespiratory Diseases
760 _bH Room
015 _aNo. 257 000584
887 _a50/=
999 _c2457
_d2457