Parera, A., and J.Mª. Suñé. 1967. “Influence of the Components on the Loss of Water at 37 ° of a Hydrated Excipient for Ointments”. Ars Pharmaceutica (Internet) 8 (3-4):159-73. https://revistaseug.ugr.es/index.php/ars/article/view/7664.