000			00315nam a2200133Ia 4500
008			251112s9999||||xx |||||||||||||| ||und||
040			_aCNCLSA
100			_aRichard Smith
245		0	_aB M J
260			_cApril 7, 2001 _bBMJ Publishing Group _aLondon
300			_aP. 807-1612
300			_bV. 321
942			_cJRBV
999			_c18905 _d18905