000 00342nam a2200109Ia 4500
008 160509s9999 xx 000 0 und d
100 _aBritish Medical Journal
245 _aBritish Medical Journal : 2001 : Volume 323(7303-7315) : Shelf 4.8
260 _bBritish Medical Association
_c2001
300 _a752p.+
650 _aBritish Medical Journal
999 _c7572
_d7572