@misc{misc4c2e5767,
title   = {Analytical method validation for tween 80 in penicillin G benzatin},
author = {Oliveira, Elizabeth C. and Kato, Margarida T. and Pinto, Terezinha de Jesus Andreoli},
year = {2005},
booktitle   = {International Congress of Pharmaceutical Sciences (CIFARP)}
}