1. American Association of University Professors 2009 Statement on professional ethics http://www.aaup.org/AAUP/pubsres/policydocs/contents/statementonprofessionalethics.htm
2. Preclinical anxiety: The stress associated with viva voce examination;Arndt;Medical Education,1986
3. Asklund , U. Bendix , L. 2003, May Oral vs. written evaluation of students
4. Rescue supervision;Biggs;Idade de Imagem,2005