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.
Clarkson TB, Anthony MS. Effects of SERMs, tibolone, and soy isoflavones on cardiovascular risk factors and coronary artery atherosclerosis of surgically post-menopausal monkeys. J Menopausal Med. 2001;10(1):19-23.