1. Mering J, Minkowski O. Diabetes mellitus nach Pankreasexstirpation. Archiv für experimentelle Pathologie und Pharmakologie. 1890;26(5):371–87.
2. Banting FG. The History of Insulin. Edinb Med J. 1929;36(1):1–18.
3. Banting FG, Best CH, Collip JB, Campbell WR, Fletcher AA. Pancreatic extracts in the treatment of diabetes mellitus: preliminary report. 1922. CMAJ. 1991;145(10):1281–6.
4. Hagedorn HC. Protamine Insulinate: (Section of Therapeutics and Pharmacology). Proc R Soc Med. 1937;30(6):805–14.
5. Vecchio I, Tornali C, Bragazzi NL, Martini M. The Discovery of Insulin: An Important Milestone in the History of Medicine. Front Endocrinol (Lausanne). 2018;9:613.