Manson, P. (1914). Tropical Diseases: a manual of the diseases of warm climates. London, 5th ed., p. 655.
2.
World Health Organization (1953). First International Symposium on Yaws Control, Geneva. (World Health Organization: Monograph Series, No. 15).
3.
WORLD HEALTH ORGANIZATION. Expert Committee on Venereal Infections and Treponematoses (1953). Wld. Hlth. Org. Techn. Rep. Ser. 63.
4.
Grin, E.I. (1953). Epidemiology and control of endemic syphilis: report on a mass-treatment campaign in Bosnia. Geneva. (World Health Organization: Monograph Series, No. 11).
5.
Hume, J.C., & Facio, G. (1955). The treatment of yaws with a single injection of procaine penicillin G in oil with 2 per cent. aluminium monostearate: results obtained in Haiti (unpublished working document WHO/VDT/148).
6.
WORLD HEALTH ORGANIZATION (1956). Some important aspects of yaws control (unpublished working document WHO/VDT/135, Rev. 1).