1. Sustainable development goals: 17 goals to transform our world https://www.un.org/sustainabledevelopment/sustainable-development-goals/
2. WHO model list of essential medicines http://www.who.int/medicines/publications/essentialmedicines/en/
3. World Bank country and lending groups https://datahelpdesk.worldbank.org/knowledgebase/articles/906519-world-bank-country-and-lending-groups
4. WHO calls for an increase in voluntary blood donors to save millions of lives http://www.who.int/news-room/detail/10-06-2015-who-calls-for-increase-in-voluntary-blood-donors-to-save-millions-of-lives
5. WHO Global database on blood safety http://www.who.int/bloodsafety/global_database/en/