Authors: D R Higgs; B E Aldridge; J Lamb; J B Clegg; D J Weatherall; R J Hayes; Y Grandison; Y Lowrie; K P Mason; B E Serjeant; G R Serjeant Journal: N Engl J Med Date: 1982-06-17 Impact factor: 91.245
Authors: G Lucarelli; M Galimberti; P Polchi; E Angelucci; D Baronciani; C Giardini; P Politi; S M Durazzi; P Muretto; F Albertini Journal: N Engl J Med Date: 1990-02-15 Impact factor: 91.245