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.
Whittington D, Sur D, Cook J, Chatterjee S, Maskery B, Lahiri M, Poulos C, Boral S, Nyamete A, Deen J, Ochiai L, Bhattacharya SK. Rethinking cholera and typhoid vaccination policies for the poor: private demand in Kolkata, India. World Dev. 2009 Feb 1;37(2):399-409.
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.