4Masako, Ii, 1996, “The Demand for Medical Care: Evidence from Urban Areas in Bolivia”, Living Standards Measurement Study Working Paper No. 123, World Bank, Washington D. C.
5McFadden, D., 1986, "The Choice Theory of Market Research", Marketing Science, 5 (4) : 275-297.
6Mwabu, G., M. Ainsworth and A. Nyamete, 1993, “Quality of Medical Care and Choice of Medical Treatment in Kenya: An Empirical Analysis”, Journal of Human Resources, 28(4) : 838-862.
7World Health Organization (World Health Organization), 2000-2003, The World Health Report.
8Wouters, A, 1991, “Essential National Health Research: Health Care Financing and Quality of Health Care”, International Journal of Health Planning and Management, 6(4) : 253-271.
