Billups, MS K, Bott, MS R, Cacciatore, MS J, Frantz, MS B, Dietz, PhD, PE JE. POD variant comparisons. JEM [Internet]. 2021 Jan. 1 [cited 2024 Jul. 22];19(1):21-32. Available from: https://wmpllc.org/ojs/index.php/jem/article/view/2907