000 00369nam a2200121Ia 4500
008 160509s9999 xx 000 0 und d
020 _a0959-8146
100 _aBritish Medical Journal
245 _aBritish Medical Journal : 1994 : Volume 308(6933-6945) : Shelf 4.7
260 _bBritish Medical Association
_c1994
300 _a1726p.+
650 _aBritish Medical Journal
999 _c5804
_d5804