1. Prevalence and characteristics of probable major depression and bipolar disorder within UK biobank: cross-sectional study of 172, 751 participants;Smith;PLoS One,2013
2. World Health Organization (WHO): The Global Burden of Disease: 2004 Update,2008
3. Common Mental Health Problems: Identification and Pathways to Care;National Institute for Health and Care Excellence (NICE),2016
4. Prevalence of homeopathy use by the general population worldwide: a systematic review;Relton;Homeopathy,2017
5. Use and acceptance of complementary and alternative medicine among the general population and medical personnel: a systematic review;Frass;Ochsner J.,2012