<div class='cut-page'><button class='gotoPage' data-page='1'>Page 1</button> <div class='cut-image'><img data-url='document/usp-81-antibiotic-testing-2020-1-20-usp-antibiotic-a-microbial-assays-this.html?page=1' data-page='1' class='cut-thumb lazyload' alt='Page 1: USP 81 Antibiotic Testing · 2020. 1. 20. · USP <81> Antibiotic — Microbial Assays. This general chapter covers microbial assays for determining antibiotic activity/potency,' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader035.cupdf.com/reader035/viewer/2022062605/5fcee76ea61fd04bb0116b1a/html5/thumbnails/1.jpg' width='140' height='200' /></div></div>