TY - RPRT TI - Instability effects in diffusion analyses of antimicrobial activity. AU - J P Van Natta AU - B J Wu AU - T S Chang PY - 1970 DO - 10.1128/am.19.2.394-397.1970 UR - https://pubmed.ncbi.nlm.nih.gov/4908536/ ID - 4908536 ER -