APA (7th ed.) Citation

Zhang, Y., & Guo, Y. Chronic pain is a risk factor for all-cause and cancer-specific mortality in cancer survivors: A population-based cohort study. BMC.

Chicago Style (17th ed.) Citation

Zhang, Yeying, and Yuna Guo. Chronic Pain Is a Risk Factor for All-cause and Cancer-specific Mortality in Cancer Survivors: A Population-based Cohort Study. BMC.

MLA (9th ed.) Citation

Zhang, Yeying, and Yuna Guo. Chronic Pain Is a Risk Factor for All-cause and Cancer-specific Mortality in Cancer Survivors: A Population-based Cohort Study. BMC.

Warning: These citations may not always be 100% accurate.