Costello J, Njue A, Lyall M, Heyes A, Mahler N, Philbin M, Nazareth T. Efficacy, safety, and quality-of-life of treatments for acute relapses of multiple sclerosis: results from a literature review of randomized controlled trials. Degener Neurol Neuromuscul Dis. 2019 Jul 1;9:55-78. doi: 10.2147/DNND.S208815
French M, Neighbors D, Carswell L, Williams R, Bush L. A model for estimating industry compliance costs of food labeling regulations. Agribusiness: An International Journal. 1993;8(2):165-86.