Pirson, P. (1982). Culture of the Exoerythrocytic Liver Stages of Plasmodium-berghei Sporozoites in Rat Hepatocytes. Transactions of the Royal Society of Tropical Medicine and Hygiene, 76(3), 422. https://doi.org/10.1016/0035-9203(82)90206-1 (Original work published 1982)