Semenova NV, Madaeva IM, Bairova TA, Zhambalova RM, Sholokhov LF, Kolesnikova LI. Association of the melatonin circadian rhythms with clock 3111T/C gene polymorphism in Caucasian and Asian menopausal women with insomnia. Chronobiol Int. 2018 Aug;35(8):1066–76. doi: 10.1080/07420528.2018.1456447. PMID: 29621412.