9Sathishkumar S, Thomas N, Tharion E, et al. Attitude of medical students towards Early Clinical Exposure in learn- ing endocrine physiology [ J ]. BMC Med Educ,2007,7 : 30.
10Kokko R. Future nurses- cultural competencies: What are their learning experiences during exchange and studies abroad? A sys- tematic literature review[J]. J Nurs Manag, 2011,19 (5) : 673 - 682.
