McDonnell, Anne, and Marie Claire VanHout. “Forging a Path for Abstinence from Heroin:: A Grounded Theory of Detoxificaiton-Seeking”. Grounded Theory Review, vol. 10, no. 01, Apr. 2011, pp. 17-39, https://groundedtheoryreview.org/index.php/gtr/article/view/83.