5Gautier Dul]os, Frank R Lichtenberg. Does competition stimulate drug u- tilization? The impact ol" ehanges in market strueture on US drug prices, marketing and utilization[ J ]. International Review of l,aw & amp; Eco-nomics,2011,321:3 -5.
6ZD Babar, MIM lzham. Effect of privatization of the drug distribution sys- tem on drug prices in Malaysia[ J I. Public Health ,2009,1238:20 - 22.