This paper is in the following e-collection/theme issue:

Web-based and Mobile Health Interventions 

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Works citing "Web-Based Cognitive Behavioral Self-Help Intervention to Reduce Cocaine Consumption in Problematic Cocaine Users: Randomized Controlled Trial"

Michael Schaub, Robin Sullivan, Severin Haug, Lars Stark
J Med Internet Res 2012 (Nov 28); 14(6):e166 

According to Crossref, the following articles are citing this article (DOI 10.2196/jmir.2244):

(note that this is only a small subset of citations)

1. Gamito P, Oliveira J, Lopes P, Brito R, Morais D, Silva D, Silva A, Rebelo S, Bastos M, Deus A. Executive Functioning in Alcoholics Following an mHealth Cognitive Stimulation Program: Randomized Controlled Trial. Journal of Medical Internet Research 2014;16(4):e102 [CrossRef]
2. Neale J, Stevenson C. Homeless Drug Users and Information Technology: A Qualitative Study with Potential Implications for Recovery from Drug Dependence. Substance Use & Misuse 2014;49(11):1465 [CrossRef]
3. Neale J, Stevenson C. The use of computer-assisted therapy by homeless drug users living in hostels: An explorative qualitative study. Drugs: Education, Prevention, and Policy 2014;21(1):80 [CrossRef]
4. Schaub MP, Haug S, Wenger A, Berg O, Sullivan R, Beck T, Stark L. Can reduce - the effects of chat-counseling and web-based self-help, web-based self-help alone and a waiting list control program on cannabis use in problematic cannabis users: a randomized controlled trial. BMC Psychiatry 2013;13(1):305 [CrossRef]