RT Journal Article SR Electronic T1 In vitro activity of mezlocillin and azlocillin compared with that of four other penicillins and two aminoglycosides JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 311 OP 319 VO 47 IS 4 A1 Barry, Arthur L. A1 Thornsberry, Clyde A1 Jones, Ronald N. A1 Gavan, Thomas L. YR 1980 UL http://www.ccjm.org/content/47/4/311.abstract AB