Cabral, Célia, Ana-Leonor Pereira, and João Rui Pita. “Pharmacy, Quina and Quinine in Portugal, 18th-20th Centuries”. Circumscribere International Journal for the History of Science 16 (December 11, 2015): 138–153. Accessed December 5, 2025. https://revistas.pucsp.br/index.php/circumhc/article/view/25686.