Authors: B Sköldenberg; M Forsgren; K Alestig; T Bergström; L Burman; E Dahlqvist; A Forkman; A Frydén; K Lövgren; K Norlin Journal: Lancet Date: 1984-09-29 Impact factor: 79.321
Authors: H H Balfour; B Bean; O L Laskin; R F Ambinder; J D Meyers; J C Wade; J A Zaia; D Aeppli; L E Kirk; A C Segreti; R E Keeney Journal: N Engl J Med Date: 1983-06-16 Impact factor: 91.245