000 00341nam a2200109Ia 4500
008 160509s9999 xx 000 0 und d
100 _aBritish Medical Journal
245 _aBritish Medical Journal : 2001 : Volume 322(7277-7289) : Shelf 4.8
260 _bBritish Medical Association
_c2001
300 _a806p.
650 _aBritish Medical Journal
999 _c7281
_d7281