TY - BOOK ED - World Health Organization. TI - Atlas of headache disorders and resources in the world 2011 SN - 9789241564212 PY - 2011/// CY - Geneva PB - World Health Organisation KW - Headache disorders KW - epidemiology KW - prevention and control KW - Headache KW - Cost of illness KW - Data collection KW - Delivery of health care N1 - A collaborative project of World Health Organization and Lifting The Burden UR - http://apps.who.int/iris/ ER -