@book{4844,
	author = {World Health Organization},
	title = {Global prevalence and incidence of selected curable sexually transmitted infections : },
	publisher = {WHO,},
	year = {2001.},
	address = {Geneva :},
	url = {https://apps.who.int/iris/bitstream/handle/10665/66818/WHO_HIV_AIDS_2001.02.pdf?sequence=1&isAllowed=y}
}