1. Epidemiology and control of trachoma: systematic review;VH Hu;Trop Med Int Health,2010
2. Blinding Trachoma: Systematic Review of Rates and Risk Factors for Progressive Disease;AM Ramadhani;PLoS Negl Trop Dis,2016
3. Clinical evidence of trachoma in Colombian Amerindians of the Vaupes Province;H Miller;Biomédica,2010
4. Martín MA. El Llanero.banrepcultural.org. [cited 10 Apr 2017]. Available: http://www.banrepcultural.org/blaavirtual/folclor/folclor/llanero.htm
5. Trachoma in Indigenous Settlements in Brazil, 2000–2008;HS de A Freitas;Ophthalmic Epidemiol,2016