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Application of restricted cubic spline Cox proportional hazards model in the tumor prognosis analysis
ZHANG Peng-yan, LIU Zhen-qiu, FAN Hong, SUO chen, CHEN Xing-dong, ZHANG Tie-jun
jms . 2023, (02): 280 -285 .  DOI: 10.3969/j.issn.1672-8467.2023.02.019