Dawson A, Elias D J, Rubenson D, Bartz S H, Garver P R, Kay A C, Bloor C M, Beutler E
Division of Chest and Critical Care Medicine, Scripps Clinic and Research Foundation, La Jolla, CA 92037, USA.
Ann Intern Med. 1996 Dec 1;125(11):901-4. doi: 10.7326/0003-4819-125-11-199612010-00005.