Rockwood NJ, Jeon M. Estimating complex measurement and growth models using the R package PLmixed. Multivar Behav Res. 2019 Mar;54(2):288-306. doi: 10.1080/00273171.2018.1516541
Roukis TS, Samsell B. A new approach to ankle and foot arthrodesis procedures using a living cellular bone matrix: a case series. Clin Res Foot Ankle. 2018 Sep 21;6(3):274. doi: 10.4172/2329-910X.1000274