Efficacy of melatonin for sleep disturbance in middle-aged primary insomnia: a double-blind, randomised clinical trial.
Xu H, Zhang C, Qian Y, Zou J, Li X, Liu Y, Zhu H, Meng L, Liu S, Zhang W, Yi H, Guan J, Chen Z, Yin S.
Xu H, et al. Among authors: liu y, liu s.
Sleep Med. 2020 Dec;76:113-119. doi: 10.1016/j.sleep.2020.10.018. Epub 2020 Oct 17.
Sleep Med. 2020.
PMID: 33157425
Clinical Trial.