1. National Pharmacopoeia Committee , Chinese Pharmacopoeia , China Medical Science Press , Beijing, China , 10th edn, 2015
2. British Pharmacopoeia Commission , British Pharmacopoeia , HM Stationery Office , London, United Kingdom , 8th edn, 2015
3. United States Pharmacopeial Convention , United States Pharmacopoeia , The United States Pharmacopeial Convention , Rockville, United States of Amarican , 34th edn , 2015
4. European Medicines Quality Council , European Pharmacopoeia , European Directorate for the Quality of Medicines & HealthCare , Strasbourg, France , 9th edn, 2016
5. Polyphenolic Composition of Crataegus monogyna Jacq.: From Chemistry to Medical Applications