?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Wareham&rft.aufirst=NE&rft.au=Wareham%2C+NE&rft.volume=97&rft.issue=29&rft.atitle=Classification+of+death+causes+after+transplantation+(CLASS)%3A+Evaluation+of+methodology+and+initial+results&rft.title=Medicine&rft.issn=1536-5964&rft.date=July+2018&rft.genre=article