000 00278nam a2200121Ia 4500
003 LDD
040 _cLDD
041 _aen
245 0 _aBritish Medical Jounral
260 _aLondon
_bBMJ Publishing Group Ltd
_c1 Jul-31 Aug,2003
362 _a327-327
_b7405-7413
942 _2ddc
_cJ
999 _c191778
_d191778