Authors: A Lernmark; Z R Freedman; C Hofmann; A H Rubenstein; D F Steiner; R L Jackson; R J Winter; H S Traisman Journal: N Engl J Med Date: 1978-08-24 Impact factor: 91.245
Authors: P J Morris; W J Irvine; R S Gray; L J Duncan; H Vaughan; F J McCallum; C J Campbell; J W Farquhar Journal: Lancet Date: 1976-09-25 Impact factor: 79.321