PLoS ONE · 2015 · 151 citations · 45 references
Our findings revealed that high prevalence and severity of chronic pain, associated factors, and significant impact on quality of life in the adult Japanese population. A detailed understanding of factors associated with chronic pain is essential for establishing a management strategy for primary care.
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Survey of chronic pain in Europe: Prevalence, impact on daily life, and treatment
Harald Breivik, Vittorio Ventafridda, Rob Cohen et al. · European Journal of Pain · 2005 · 5.4K citations · Full text
Lost Productive Time and Cost Due to Common Pain Conditions in the US Workforce
Walter F. Stewart · JAMA · 2003 · 1.6K citations