Murphy, Emma and Comiskey, Catherine M (2015) Modeling the impact of place on individual methadone treatment outcomes in a National longitudinal cohort study. Substance Use & Misuse , 50 , (1) , pp. 99-105.

Murphy, Emma and Comiskey, Catherine (2013) Using chi-Squared Automatic Interaction Detection (CHAID) modelling to identify groups of methadone treatment clients experiencing significantly poorer treatment outcomes. Journal of Substance Abuse Treatment , 45 , (4) , pp. 343-349.