Kalhspera se olous,
eimai metaptyxiakos foithths psyxologias sto Leiden ths Ollandias kai mazi me allous ereynhtes dienergoume mia ereuna sxetika me kapoia farmaka kai narkwtika.
epeidh xreiazomaste kai Ellhnes sthn ereuna, h boitheia sas tha htan yperpolytimh.
H ereuna exei na kanei kai me antikatathliptika farmaka opote tyxon empeiria tetoiwn farmakwn einai epishs polytimh.
to link gia thn ereuna einai to akoloutho: www.internationaldrugsurvey.nl
tha xreiasteite peripou 20 lepta gia na th symplhrwsete kai ennoeitai pws yprxei epilogh ellhnikhs glwssas.
sas eyxaristw ek twn proterwn kai syggnwmh gia ta greeklish