@article{fetterman_2009,  title={Empowerment evaluation at the Stanford University School of Medicine: using a critical friend to improve the clerkship experience},  volume={17},  ISSN={0104-4036},  url={https://doi.org/10.1590/S0104-40362009000200002},  DOI={10.1590/S0104-40362009000200002},  number={63},  journal={Ensaio: Avaliação e Políticas Públicas em Educação},  publisher={Fundação CESGRANRIO},  author={Fetterman, David},  year={2009},  month={Apr},  pages={197–204} }