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Crowley, Niall (2015) The rainbow report. LGBTI health needs and experiences and health sector responses. Dublin: Child and Family Agency.

Crowley, Niall (2017) Stimulating and supporting a black and minority ethnic voice on drugs issues. Dublin: Citywide.

Crowley, Niall (2018) Taking steps to engage with black and minority ethnic communities and their organisations on issues related to problematic drug use. Dublin: Citywide.