In contrast to the abuse of Ecstasy, there was a decline in the abuse of heroin, lysergic acid diethylamide (LSD), inhalants and cocaine among school students, while methamphetamine abuse was stable among that group.
Para distinguir entre los LMR mencionados en el considerando # y los LMR mencionados en el considerando #, conviene dividir el anexo # en varias partesUN-2 UN-2