Shapiro R, Randhawa P, Jordan ML, Scantlebury VP, Vivas C, Jain A, Corry RJ, McCauley J, Johnston J, Donaldson J, Gray EA, Dvorchik I, Hakala TR, Fung JJ, Starzl TE. An analysis of early renal transplant protocol biopsies--the high incidence of subclinical tubulitis. Am J Transplant. 2001 May; 1(1):47-50.