RT Journal Article SR Electronic T1 The Theory and Practice of Infection Control ed. by Inge Gurevich, Patricia Tafuro, and Burke H. Cunha JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 441 OP 442 VO 52 IS 3 A1 Thomas F. Keys YR 1985 UL http://www.ccjm.org/content/52/3/441.2.abstract AB