Yousuf, Farzana Abubakar, Ruqaiyyah Siddiqui, and Naveed Ahmed Khan. 2017. “Presence of Rotavirus and Free-Living Amoebae in the Water Supplies of Karachi, Pakistan”. Revista Do Instituto De Medicina Tropical De São Paulo 59 (January): e32. https://www.revistas.usp.br/rimtsp/article/view/133358.