000 00345nam a2200121Ia 4500
008 160509s9999 xx 000 0 und d
020 _a0007-1420
100 _aBritish Medical Bulletin
245 _aBritish Medical Bulletin : Asthma : 1992 : 48(1)
260 _bChurchill Livingstone
_c1992
300 _a248p.
650 _aBritish Medical Bulletin
999 _c8173
_d8173