Yang YK, Peng XD, Li YH, Wang ZR, Chang-quan H, Hui W, Liu QX. The polymorphism of CLOCK gene 3111T/C C>T is associated with susceptibility of Alzheimer disease in Chinese population. J Investig Med. 2013 Oct;61(7):1084–7. doi: 10.2310/jim.0b013e31829f91c0. PMID: 23912676.