Authors: H Masur; M A Michelis; G P Wormser; S Lewin; J Gold; M L Tapper; J Giron; C W Lerner; D Armstrong; U Setia; J A Sender; R S Siebken; P Nicholas; Z Arlen; S Maayan; J A Ernst; F P Siegal; S Cunningham-Rundles Journal: Ann Intern Med Date: 1982-10 Impact factor: 25.391