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Mitjà, Oriol; Hays, Russell; Ipai, Anthony; Penias, Moses; Paru, Raymond; Fagaho, David; de Lazzari, Elisa; Bassat, Quique (2012). «Single-dose azithromycin versus benzathine benzylpenicillin for treatment of yaws in children in Papua New Guinea: an open-label, non-inferiority, randomised trial». The Lancet379 (9813): 342-347. ISSN0140-6736. doi:10.1016/S0140-6736(11)61624-3.