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. 2003 Jul 15;89(2):232–238. doi: 10.1038/sj.bjc.6601118

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Copyright © 2003 Cancer Research UK

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Converting calendar time in the ovarian cancer study to a survival analysis format. Dashed vertical line is the date of the last follow-up, R=relapse, D=death from ovarian cancer, Do=death from other cause, A=attended last clinic visit (alive), L=loss to follow-up, X=death, □=censored.