Effect of adopting a new histological grading system of acute rejection after heart transplantation
Aggie H Balk, Pieter E Zondervan, Peter van der Meer, Teun van Gelder, Bas Mochtar, Maarten L Simoons, Willem Weimar
Heart Dec 1997, 78 (6) 603-607; DOI: 10.1136/hrt.78.6.603