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.
Dine JL, Schneider MK, Stewart BR, Armer JM. Learning from traditional healers in South Africa. J Lymphoedema. 2009;4(2):10-6.