case study

http://www.e-meducation.org/links/internal-medicine/

Baylor:
http://www.bcm.edu/gastro/VGICC/vgicc-caselists.html

Arizone: with video

http://video.biocom.arizona.edu/video/videolibrary/medGR/

hematology:
http://teachingcases.hematology.org/