References for this Section
1. Friedman Ben David M, Davis MH, Harden RM, Howie PW, Ker J, Pippard MJ. AMEE Medical Education Guide No. 24: Portfolios as a method of student assessment . Medical Teacher.2001;23(6):535-551.
2. Challis M. Portfolios and assessment: meeting the challenge. Medical Teacher.2001;23(5):437-440.