?url_ver=Z39.88-2004&rft_id=10.1515%2Fijb-2020-0083&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Asanjarani%2C+Azam&rft.aulast=Asanjarani&rft.aufirst=Azam&rft.volume=18&rft.atitle=Estimation+of+semi-Markov+multi-state+models%3A+a+comparison+of+the+sojourn+times+and+transition+intensities+approaches&rft.date=1+May+2022&rft.issue=1&rft.title=International+Journal+of+Biostatistics&rft.issn=1557-4679&rft.genre=article