000			00295nam a2200121Ia 4500
008			251112s9999||||xx |||||||||||||| ||und||
040			_aCNCLSA
245		0	_aB M J
260			_cmarch 30, 2002 _bThe British Medical Association _aLondon
300			_aP. 747-1592
300			_bV.28
942			_cJRBV
999			_c15027 _d15027