Pregnolatto, Waldomiro, and Ione Irulegui. “Determination of Pantothenate in Pharmaceutical Preparations”. Instituto Adolfo Lutz Journal - RIAL 25 (January 31, 1965): 115–118. Accessed July 13, 2025. https://periodicos.saude.sp.gov.br/RIAL/article/view/33434.