APA (7th ed.) Citation

Fu, N., Tan, X., & He, J. Association between elevated cystatin C levels and obstructive sleep apnea hypopnea syndrome: A systematic review and updated meta-analysis. BMC.

Chicago Style (17th ed.) Citation

Fu, Nianying, Xiaotao Tan, and Jie He. Association Between Elevated Cystatin C Levels and Obstructive Sleep Apnea Hypopnea Syndrome: A Systematic Review and Updated Meta-analysis. BMC.

MLA (9th ed.) Citation

Fu, Nianying, et al. Association Between Elevated Cystatin C Levels and Obstructive Sleep Apnea Hypopnea Syndrome: A Systematic Review and Updated Meta-analysis. BMC.

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