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3. A working formulation for the standardization of nomenclature in the diagnosis of heart and lung rejection: heart rejection study group;Billingham;J Heart Transplant,1990
4. Long-term results of cardiac transplantation;Hunt;Annu Rev Med,1991
5. How many endomyocardial biopsies are necessary in the first year after heart transplantation?;Sisson;Transplant Int,1996