000 00340nam a2200109Ia 4500
008 160509s9999 xx 000 0 und d
100 _aBritish Medical Journal
245 _aBritish Medical Journal : 1997 : Volume 314(Jan-Mar) : Shelf 4.7
260 _bBritish Medical Association
_c1997
300 _a986p.+
650 _aBritish Medical Journal
999 _c6269
_d6269