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Johnson S (June 2009). "Recurrent Clostridium difficile infection: a review of risk factors, treatments, and outcomes". The Journal of Infection. 58 (6): 403–410. doi:10.1016/j.jinf.2009.03.010. PMID19394704.
Xiao Y, Li S, Niu S, Ma L, Zhang G, Zhang H, et al. (February 2011). "Characterization of tiacumicin B biosynthetic gene cluster affording diversified tiacumicin analogues and revealing a tailoring dihalogenase". Journal of the American Chemical Society. 133 (4): 1092–1105. doi:10.1021/ja109445q. PMID21186805.