000 00278nam a2200121Ia 4500
003 LDD
040 _cLDD
041 _aen
245 0 _aBritish Medical Jounral
260 _aLondon
_bBMJ Publishing Group Ltd
_c1 May-30 Jun,2004
362 _a326-326
_b7447-7455
942 _2ddc
_cJ
999 _c191781
_d191781