000 00278nam a2200121Ia 4500
003 LDD
040 _cLDD
041 _aen
245 0 _aBritish Medical Jounral
260 _aLondon
_bBMJ Publishing Group Ltd
_c1 Sep-30 Oct,1996
362 _a313-313
_b7057-7064
942 _2ddc
_cJ
999 _c191700
_d191700