000 00343nam a2200109Ia 4500
008 160509s9999 xx 000 0 und d
100 _aBritish Medical Journal
245 _aBritish Medical Journal : 1988 : Volume 297(6640-6662) : Shelf 4.7
260 _bBritish Medical Association
_c1988
300 _a1703p.+
650 _aBritish Medical Journal
999 _c4492
_d4492