000 00341nam a2200109Ia 4500
008 160509s9999 xx 000 0 und d
100 _aBritish Medical Journal
245 _aBritish Medical Journal : 1999 : Volume 318(7175-7187) : Shelf 4.8
260 _bBritish Medical Association
_c1999
300 _a884p.
650 _aBritish Medical Journal
999 _c6848
_d6848