Schonn, J. S., Maximov, A., Lao, Y., Suedhof, T. C., & Soerensen, J. B. (2008). Synaptotagmin-1 and -7 are functionally overlapping Ca2+ sensors for exocytosis in adrenal chromaffin cells. Proceedings of the National Academy of Sciences of the United States of America, 105(10), 3998-4003. Retrieved from http://www.pnas.org/content/105/10/3998.full.pdf+html.