000 00342nam a2200109Ia 4500
008 160509s9999 xx 000 0 und d
100 _aBritish Medical Journal
245 _aBritish Medical Journal : 1999 : Volume 318(7188-7194) : Shelf 4.8
260 _bBritish Medical Association
_c1999
300 _a1362p.
650 _aBritish Medical Journal
999 _c6849
_d6849