During the fourth year, each student will participate in at least one 4-week medical sub-specialty rotation in a discipline of the students choice. Appropriate sub specialties include, but are not limited to Cardiology, Gastroenterology, Hematology, Oncology, Rheumatology, Pulmonology, Neurology, Infectious Disease, Nephrology, Allergy/Immunology, and Endocrinology. Rotation specific reading objectives supplement the clinical experience for each specialty.