http://www.wto.org/english/res_e/booksp_e/pamtiwhowipowtoweb13_e.pdf

This publication is the product of extensivecollaboration between the WHO, WIPO and WTOSecretariats, led by the Department of Public Health, Innovation and Intellectual Property in the WHO, the Global Challenges Division in WIPO and the Intellectual Property Division in the WTO.