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.
Lanes SF, Rothman KJ. Tampon absorbency, composition and oxygen content and risk of toxic shock syndrome. J Clin Epidemiol. 1990 Jan 1;43(12):1379-85.