1. World Health Organization Essential medicines http://www.who.int/medicines/services/essmedicines_def/en/
2. World Health Organization program for the selection and use of essential medicines;Reidenberg;Clin. Pharmacol. Ther.,2007
3. Essential medicines for universal health coverage;Wirtz;Lancet,2016
4. Essential medicines for children;Hoppu;Arch. Dis. Child.,2015
5. European Medicines Agency and its Paediatric Committee 10-year Report to the European Commission. General report on the experience acquired as a result of the application of the Paediatric Regulation https://ec.europa.eu/health/sites/health/files/files/paediatrics/2016_pc_report_2017/ema_10_year_report_for_consultation.pdf 2016