Heidebrecht, F, MacLeod, MB, Dawkins L (2022), Exploration of the physical health of dual users of heroin and crack in methadone treatment who inject or have previously injected drugs, Heroin Addiction and Related Clinical Problems, 24: 5-19.
Heidebrecht, F, Macleod, MB (2019). Practitioners’ experience of working with dual users of heroin and crack cocaine. A Thematic analysis, Heroin Addiction and Related Clinical Problems, 21: 21-28.
Heidebrecht, F, Macleod, MB, Dawkins L (2018), Predictors of heroin abstinence in opiate substitution therapy in heroin-only users and dual users of heroin and crack, Addictive Behaviors, 77: 210–216.