Authors: C M Helms; R M Massanari; R Zeitler; S Streed; M J Gilchrist; N Hall; W J Hausler; J Sywassink; W Johnson; L Wintermeyer; W J Hierholzer Journal: Ann Intern Med Date: 1983-08 Impact factor: 25.391
Authors: T J Dondero; R C Rendtorff; G F Mallison; R M Weeks; J S Levy; E W Wong; W Schaffner Journal: N Engl J Med Date: 1980-02-14 Impact factor: 91.245