Declaration of Montreal. Available at: http://www.iasp-pain.org/painsummit/declaration.
Pain as a global public health priority. BMC Public Health 2011 Oct 6;11:770
Persistent pain and well-being: a World Health Organization study in primary care. JAMA 1998 Jul 8;280(2):147-151.
The individual and societal burden of chronic pain in Europe: the case for strategic prioritisation and action to improve knowledge and availability of appropriate care. BMC Public Health 2013 Dec. BMC Public Health 2013 Dec24;13:1229
Lost productive time and cost due to common pain conditions in the US workforce. JAMA 2003 Nov 12;290(18):2443-2454.
Survey of chronic pain in Europe: prevalence, impact on daily life, and treatment. Eur J Pain 2006 May;10(4):287-333.
Prevalence of chronic pain, impact on daily life, and treatment practices in India. Pain Pract 2014 Feb;14(2):E51-E62.
Measurement of prevalence of ‘major depressive syndrome’ among Indian patients attending pain clinic with chronic pain using PHQ-9 scale. J Anaesthesiol Clin Pharmacol 2013 Jan;29(1):76-82.
Postoperative pain experience: results from a National survey suggest postoperative pain continues to be undermanaged. Anesth Analg 2003 Aug;97(2):534-540.
Postoperative analgesic therapy observational survey (PATHOS): a practice pattern study in 7 central/southern European countries. Pain 2008 May;136(1-2):134-141.
Managing acute pain in the developing world. Pain Clinical Updates 2011;19(3):1-7.
Guide to pain management in low-resource settings. Available at: http://www.iasp-pain.org .[2010].
