@book{392979,
	author = {EUROPEAN MONITORING CENTRE FOR DRUGS AND DRUG ADDICTION},
	title = {Estimating the prevalence of problem drug use in Europe},
	publisher = {Office for Official Publications of the European Communities},
	year = {1997},
	series = {EMCDDA Scientific Monograph Series},
	address = {Luxembourg},
	note = {Comunicações provenientes do seminário científico "Addiction Prevalence Estimation: Methods and Research Strategies" que teve lugar em Estrasburgo, França, entre 10 e 14 de Junho de 1996.}
}