Spectrophotometric determination of Procaine penicillin in pure and pharmaceutical formulations using metol. مجلة بغداد للعلوم, Iraq, Baghdad, v. 5, n. 1, p. 137–142, 2008. DOI: 10.21123/bsj.2008.5.1.137-142. Disponível em: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/876.. Acesso em: 18 2024.