1. Does Dentistry Really Need More Than One Diagnostic Vocabulary?http://dentalinformatics.org/blog/?p=361
2. World Health Organization History of the Development of the International Classification of Diseases—World Health Organizationhttps://www.google.com/search?q=World+Health+Organization.+History+of+the+development+of+the+ICD.+At%3A+www.who.int%2Fclassifications%2Ficd%2Fen%2FHistoryOfICD.pdf&rls=com.microsoft:en-US&ie=UTF-8&oe=UTF-8&startIndex=&startPage=1&gws_rd=ssl-spf=1
3. Challenges in quality assessment of dental care
4. Code on Dental Procedures and Nomenclature,2015
5. Measuring diversity in medical reports based on categorized attributes and international classification systems