Araújo Silva, Maria Beatriz, Andrade, Maria Sandra, de Oliveira, Yohana Véras, Santiago Marques, Maria Gabriela, Mourão Pinho, Clarissa, AND Araújo de Miranda Lopes, Katiuscia. "Trachoma as cause of blindness: literature review" International Archives of Medicine [Online], Volume 10(21 February 2017)