@article{article8e5426f4,
title   = {Characterization of Pakistani purified bentonite suitable for possible pharmaceutical application},
author = {Shah, Liaqat Ali and Silva-Valenzuela, Maria das Graças da and Ehsan, Abdul Manan and Valenzuela Díaz, Francisco Rolando and Khattak, Nazir Shah},
year = {2013},
doi = {10.1016/j.clay.2013.08.007},
journal   = {Applied Clay Science}
}