@book{4842,
	author = {Hackett, Cecil John and World Health Organization},
	title = {An international nomenclature of yaws lesions /},
	publisher = {WHO,},
	year = {1957.},
	series = {World Health Organization monograph series ; },
	address = {Geneva :},
	url = {https://apps.who.int/iris/bitstream/handle/10665/41679/WHO_MONO_36_%28part1%29.pdf?sequence=1&isAllowed=y}
}