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
Herring WL, Herrmann JW. The single-day surgery scheduling problem: sequential decision-making and threshold-based heuristics. OR spectrum: quantitative approaches in management. 2012 Apr 1;34(2):429-59.
Buchner DA, Graboys TB, Johnson K, Mordin MM, Goodman L, Partsch DS, Goss TF. Development and validation of the ITG Health-Related Quality-of- Life Short-Form measure for use in patients with coronary artery disease. Integrated Therapeutics Group. Clin Cardiol. 2001 Aug;24(8):556-63.