Dündar Y, Dodd S, Strobl J, Boland A, Dickson R, Walley T. Comparative efficacy of newer hypnotic drugs for the short-term management of insomnia: a systematic review and meta-analysis. „Human Psychopharmacology: Clinical and Experimental”. 5 (19), s. 305–322, 2004. DOI: 10.1002/hup.594. PMID: 15252823.
Dündar Y, Dodd S, Strobl J, Boland A, Dickson R, Walley T. Comparative efficacy of newer hypnotic drugs for the short-term management of insomnia: a systematic review and meta-analysis. „Human Psychopharmacology: Clinical and Experimental”. 5 (19), s. 305–322, 2004. DOI: 10.1002/hup.594. PMID: 15252823.