Hirsch IB, Xu Y, Davis KL, Calingaert B. Patient factors associated with glucagonlike peptide 1 receptor agonist use with and without insulin. Endocr Pract. 2011 Sep 1;17(5):707-16.
Tunceli K, Pladevall-Vila M, Williams LK, Divine GW, Simpkins JC, Nag SS, Sajjan SG, Kamal-Bahl SJ, Alexander CM, Lafata JE. Trends in lipid management among patients with diabetes. Endocr Pract. 2006 Jul;12(4):380-7.
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.