000 00290cam a2200121 4500
001 0721695973
008 100302t2002 xxu||||| |||| 00| 0 eng d
020 _a0721695973
100 _aLehrer, S
245 0 _aUnderstanding lung sounds.
250 _a3rd
260 _aEastbourne
_bSaunders
_c2002
999 _c54416
_d54416