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Islam MM, Topp L, Day CA, Dawson A, Conigrave KM.Islam MM, et al. Among authors: topp l.Int J Drug Policy. 2012 Mar;23(2):94-102. doi: 10.1016/j.drugpo.2011.08.005. Epub 2011 Oct 12.Int J Drug Policy. 2012.PMID: 21996165Review.
Day C, Topp L, Rouen D, Darke S, Hall W, Dolan K.Day C, et al. Among authors: topp l.Addiction. 2003 Jan;98(1):93-5. doi: 10.1046/j.1360-0443.2003.00266.x.Addiction. 2003.PMID: 12492759
Day CA, Topp L, Iversen J, Maher L; Collaboration of Australian NSPs.Day CA, et al. Among authors: topp l.Drug Alcohol Rev. 2008 Sep;27(5):559-61. doi: 10.1080/09595230801956132.Drug Alcohol Rev. 2008.PMID: 18608447No abstract available.
Dunn M, Topp L, Degenhardt L.Dunn M, et al. Among authors: topp l.Int J Drug Policy. 2009 Sep;20(5):413-7. doi: 10.1016/j.drugpo.2009.01.002. Epub 2009 Feb 23.Int J Drug Policy. 2009.PMID: 19237274