Internet-based cognitive–behavioural therapy for insomnia (ICBT-i): a meta-analysis of randomised controlled trials
Yuan-yuan Ye, Ni-ka Chen, Jia Chen, Juan Liu, Ling Lin, Ya-zhen Liu, Ying Lang, Xun-jun Li, Xin-ju Yang, Xiao-jiang Jiang
BMJ Open Nov 2016, 6 (11) e010707; DOI: 10.1136/bmjopen-2015-010707