@book{6347,
	author = {De Vries T P G M ... [et al.]. and Henning R H. and World Health Organization. Action Programme on Essential Drugs.},
	title = {Impact of a short course in pharmacotherapy for undergraduate medical students : an international multicentre study.},
	publisher = {World Health Organization,},
	year = {1995.},
	address = {Geneva : }
}