000 00340nam a2200109Ia 4500
008 160509s9999 xx 000 0 und d
100 _aBritish Medical Journal
245 _aBritish Medical Journal : 1997 : Volume 315(Jul-Sep) : Shelf 4.7
260 _bBritish Medical Association
_c1997
300 _a824p.+
650 _aBritish Medical Journal
999 _c6271
_d6271