These requirements were taken from the Paragraph 6 Decision (see above). World Bank Working Paper No. See also WHO, Implementation of Paragraph 6. In this context, it should be noted that pooled drugs procurement by several developing countries is generally an important means of attracting pharmaceutical producers’ interest in a regional market, and may, under a “carrots and sticks” approach, be used by developing country governments to negotiate favourable schemes of collaboration with the holders of pharmaceutical patents (see Section 3.3.3).