1. A survey of expanded duties usage in Indiana: a pilot study;Cooper;J Dent Hygiene,1993
2. Minnesota Dental Practice Act 2008 www.revisor.leg.state.mn.us/statutes/?id=150A.10 2008
3. Expanded duties of auxiliaries: a survey of opinions of Georgia dentists;Waller;J Am Dent Assoc,1973
4. The Washington state dental auxiliary project: delegating expanded functions in general practice;Milgrom;J Am Dent Assoc,1983
5. Criteria of good dental practice generated by general dental practictioners and patients;Burke;Int Dent J,1996