00277nam a2200097Ia 4500008004100000040001100041245005200052260004800104300001600152300001100168251112s9999||||xx |||||||||||||| ||und||  aCNCLSA 4aThe Journal of the American Medical Association  c1950bAmerican Medical AssociationaChicago  aP. 783-1596  bV. 144