000			00313nam a2200133Ia 4500
008			251112s9999||||xx |||||||||||||| ||und||
040			_aCNCLSA
100			_aRichard Smith
245		0	_aBMJ
260			_c7 October, 1999 _bBMJ publishing Group _aLondon
300			_aP.743-1522
300			_bV.319
942			_cJRBV
999			_c29153 _d29153