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.
Richter A, Hicks KA, Earnshaw SR, Honeycutt AA. Allocating HIV prevention resources: a tool for state and local decision making. Health Policy (New York). 2008 Sep 1;87(3):342-9.