Funk, F., Lecrenier, C., Lesuisse, E., Crichton, R., & Schneider, W. (1986). A Comparative-study On Iron Sources for Mitochondrial Heme-synthesis Including Ferritin and Models of Transit Pool Species. European Journal of Biochemistry, 157(2), 303-309. https://doi.org/10.1111/j.1432-1033.1986.tb09669.x (Original work published 1986)