T. Lash, и S. Cole. Journal of clinical oncology : official journal of the American Society of Clinical Oncology, 27 (23):
e55-6(августа 2009)5436<m:linebreak></m:linebreak>JID: 8309333; 2009/07/13 aheadofprint; ppublish;<m:linebreak></m:linebreak>Mesures d'associació; Immortal time bias.