Moon H, Ahn H, Kodell RL. A Computational Tool for Testing Dose-related Trend Using an Age-adjusted Bootstrap-based Poly-k Test. J. Stat. Soft. [Internet]. 2006 Aug. 4 [cited 2024 Nov. 21];16(7):1-14. Available from: https://www.jstatsoft.org/index.php/jss/article/view/v016i07