1. Use of hierarchical cluster analysis to classify prisons in Ireland into mutually exclusive drug-use risk categories. (3rd March 2016) Authors: Codd, Mary; Mehegan, John; Kelleher, Cecily; Drummond, Anne Journal: Drugs Issue: Volume 23:Number 2(2016:Apr.) Page Start: 93 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗