[Irish Examiner] , Stack, Sarah 75% of Dublin heroin addicts also hooked on other drugs, study finds. (28 May 2013)

[Independent.ie] , Stack, Sarah Street pastors needed to tackle street crime and drug addicts, councillor claims. (08 Aug 2014)

[Irish Examiner] , Stack, Sarah Study finds children less likely to smoke, drink or do drugs. (24 Sep 2013)