00297nam a2200109Ia 4500008004100000040001100041100001700052245004800069260004800117300001300165300000900178251112s9999||||xx |||||||||||||| ||und|| aCNCLSA aAustin Smith 4aThe Journal Of American Medical Association c1970bAmerican Medical AssociationaChicago aP.1-1670 bV.92