Research
Prevalence of causes of insomnia in primary care: a cross-sectional study
Bruce Arroll, Antonio Fernando, Karen Falloon, Felicity Goodyear-Smith, Chinthaka Samaranayake and Guy Warman
British Journal of General Practice 2012; 62 (595): e99-e103. DOI: https://doi.org/10.3399/bjgp12X625157