@article{articleb818f682,
title   = {Effect of topical clay application on the synthesis of collagen in skin: an experimental study},
author = {Valenti, D. M. Z. and Silva, J. and Teodoro, W. R. and Velosa, A. P. and Mello, S. B. V.},
year = {2012},
doi = {10.1111/j.1365-2230.2011.04216.x},
journal   = {Clinical and Experimental Dermatology}
}