000 00342nam a2200109Ia 4500
008 160509s9999 xx 000 0 und d
100 _aBritish Medical Journal
245 _aBritish Medical Journal : 2000 : Volume 320(7226-7234) : Shelf 4.8
260 _bBritish Medical Association
_c2000
300 _a590p.+
650 _aBritish Medical Journal
999 _c7111
_d7111