Authors: K N Lohr; R H Brook; C J Kamberg; G A Goldberg; A Leibowitz; J Keesey; D Reboussin; J P Newhouse Journal: Med Care Date: 1986-09 Impact factor: 2.983
Authors: A L Siu; F A Sonnenberg; W G Manning; G A Goldberg; E S Bloomfield; J P Newhouse; R H Brook Journal: N Engl J Med Date: 1986-11-13 Impact factor: 91.245