@inproceedings{inproceedingsc029c4b1,
title   = {Development of metroprolol tartarate controlled-release tablets based on a carboximethylcellulose hydrophilic matrix},
author = {Vals, Nelson Rafael Matta and Storpirtis, Silvia},
year = {1998},
publisher = {UFMG},
booktitle   = {Pharmatech}
}