Walters, Marshall Charles, III2015-05-122015-05-122001https://scholarworks.montana.edu/handle/1/8055enBiofilmsDrug resistance in microorganismsAntibioticsTobramycinCiprofloxacinAntibiotic penetration through Pseudomonas aeruginosa colony biofilmsThesisCopyright 2001 by Marshall Charles Walters III