المؤلفون: Singh, B. K., Koman, J. J., Williams, J. S., Catan, V. M., Souply, K. L.

المصدر: International Journal of the Addictions ; volume 29, issue 2, page 275-283 ; ISSN 0020-773X

الاتاحة: http://dx.doi.org/10.3109/10826089409047381
https://www.tandfonline.com/doi/pdf/10.3109/10826089409047381