Flynn, A., Tremblay, P.F., Rehm, J. and Wells, S. 2013. A modified random walk door-to-door recruitment strategy for collecting social and biological data relating to mental health, substance use/addictions and violence problems in a Canadian community. International Journal of Alcohol and Drug Research. 2, 2 (Sep. 2013), 7-16. DOI:https://doi.org/10.7895/ijadr.v2i2.143.