APA

Neaigus A., Miller M., Friedman S. R., Hagen D. L., Sifaneck S. J., Ildefonso G. & des Jarlais D. C. (20010726). Potential risk factors for the transition to injecting among non-injecting heroin users: a comparison of former injectors and never injectors. : Addiction (Abingdon, England).

Chicago

Neaigus A, Miller M, Friedman S R, Hagen D L, Sifaneck S J, Ildefonso G and des Jarlais D C. 20010726. Potential risk factors for the transition to injecting among non-injecting heroin users: a comparison of former injectors and never injectors. : Addiction (Abingdon, England).

Harvard

Neaigus A., Miller M., Friedman S. R., Hagen D. L., Sifaneck S. J., Ildefonso G. and des Jarlais D. C. (20010726). Potential risk factors for the transition to injecting among non-injecting heroin users: a comparison of former injectors and never injectors. : Addiction (Abingdon, England).

MLA

Neaigus A, Miller M, Friedman S R, Hagen D L, Sifaneck S J, Ildefonso G and des Jarlais D C. Potential risk factors for the transition to injecting among non-injecting heroin users: a comparison of former injectors and never injectors. : Addiction (Abingdon, England). 20010726.