P. O'NEIL

Illicitly imported heroin products: some physical and chemical features indicative of their origin. Part II.

T. Gough, P. J. O'Neil, P. O'NEIL, 1985, Journal of forensic sciences.

Illicitly imported heroin products: some physical and chemical features indicative of their origin.

P. B. Baker, T. Gough, P. J. O'Neil, 1984, Journal of forensic sciences.

Survey Variation in the THC Content of Illicitly Imported Cannabis * Products—1984–1989

P. J. O'Neil, J. Pitts, K. P. Leggo, 1990, The Journal of pharmacy and pharmacology.

A Comparison of Chromatographic Methods for Estimation of the Diacetylmorphine Content of Illicit Heroin

P. B. Baker, T. Gough, S. Chow, 1983 .