Talon B, Perez A, Yan C, Alobaidi A, Zhang KH, Schultz BG, Suda KJ, Touchette DR. Economic evaluations of clinical pharmacy services in the United States: 2011-2017. J Am Coll Clin Pharm. 2020 Jun;3(4):793-806. doi: 10.1002/jac5.1199
Derby CA, Araujo AB, Johannes CB, Feldman HA, McKinlay JB. Measurement of erectile dysfunction in population-based studies: the use of a single question self-assessment in the Massachusetts Male Aging Study. Int J Impot Res. 2000 Aug 1;12(4):197-204.