Authors: A S Kraus; R A Spasoff; E J Beattie; D E Holden; J S Lawson; M Rodenburg; G M Woodcock Journal: Can Med Assoc J Date: 1977-05-07 Impact factor: 8.262
Authors: J E Schuman; E J Beattie; D A Steed; J E Gibson; G M Merry; W D Campbell; A S Kraus Journal: Can Med Assoc J Date: 1978-03-18 Impact factor: 8.262