Odom, Richard B.; Davidsohn, Israel; James, William D.; Henry, John Bernard; Berger, Timothy G.; Clinical diagnosis by laboratory methods; Dirk M. Elston (2006). Andrews' diseases of the skin: clinical dermatology. Saunders Elsevier. ss. 276-267. ISBN978-0-7216-2921-6.KB1 bakım: Birden fazla ad: yazar listesi (link)
Adriaans, B (1988). "Tropical ulcer - a reapprisal of recent work". Transactions of the Royal Society of Tropical Medicine and Hygiene. 82 (2). ss. 185-189. doi:10.1016/0035-9203(88)90402-6. PMID3055448.
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Adriaans, B (1988). "Tropical ulcer - a reapprisal of recent work". Transactions of the Royal Society of Tropical Medicine and Hygiene. 82 (2). ss. 185-189. doi:10.1016/0035-9203(88)90402-6. PMID3055448.