yaws, endemic syphilis and pinta Perine, Peter L Hopkins, Donald R Niemel, Paul L. A St. John, Ronald Causse, Georges Antal, G. M World Health Organization text Geneva WHO 1984 monographic eng

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59 pages. Peter L. Perine [and five others] Syphilis Yaws Pinta 9241541768 https://apps.who.int/iris/bitstream/handle/10665/37178/9241541768.pdf?sequence=1&isAllowed=y https://apps.who.int/iris/bitstream/handle/10665/37178/9241541768.pdf?sequence=1&isAllowed=y 201224 20201224130217.0 D0001B000197