(en) Wang C, Chang T, Yao W. (2012). Impact of increasing alanine aminotransferase levels within normal range on incident diabetes. Journal of the Formosan Medical Association, 111 (4): 201-208. DOI:10.1016/j.jfma.2011.04.004.
mhhe.com
(en) F.A. Carey (2001) - Organic Chemistry (5th Ed.), The McGraw Companies, p. 1059. Gearchiveerd op 13 oktober 2017.