

@article {1993,
	title = {Balantidiasis in Aymara children from the northern Bolivian altiplano},
	journal = {American Journal of Tropical Medicine and Hygiene},
	volume = {59},
	year = {1998},
	pages = {922-927},
	author = {Esteban, J. G. and Aguirre, C. and Angles, R. and Ash, L. R. and Mas-Coma, S.}
}
