Authors: P Kannus; H Haapasalo; M Sankelo; H Sievänen; M Pasanen; A Heinonen; P Oja; I Vuori Journal: Ann Intern Med Date: 1995-07-01 Impact factor: 25.391
Authors: C C Johnston; J Z Miller; C W Slemenda; T K Reister; S Hui; J C Christian; M Peacock Journal: N Engl J Med Date: 1992-07-09 Impact factor: 91.245