@book{19,
	author = {Gish O. and Feller, L.L.},
	title = {Planning pharmaceuticals for primary health care : the supply and utilization of drugs in the third world.},
	publisher = {American Public Health Association,},
	year = {1979.},
	series = {(APHA International health programs monograph series ; no. 2)},
	address = {Washington, D.C. : }
}