M. Qualls, D. Pallin, and J. Schuur. Academic emergency medicine : official journal of the Society for Academic Emergency Medicine, 17 (10):
1113-21(October 2010)6036<m:linebreak></m:linebreak>CI: (c) 2010; JID: 9418450; ppublish;.
J. Lindsey, and L. Ryan. Statistics in medicine, 17 (2):
219-38(January 1998)2874<m:linebreak></m:linebreak>Tutorial in Biostatistics;<m:linebreak></m:linebreak>Anàlisi de supervivència; Interval-censored.