Authors: T J Halpin; F J Holtzhauer; R J Campbell; L J Hall; A Correa-Villaseñor; R Lanese; J Rice; E S Hurwitz Journal: JAMA Date: 1982-08-13 Impact factor: 56.272
Authors: P K Lichtenstein; J E Heubi; C C Daugherty; M K Farrell; R J Sokol; R J Rothbaum; F J Suchy; W F Balistreri Journal: N Engl J Med Date: 1983-07-21 Impact factor: 91.245