https://www.ncbi.nlm.nih.gov/pubmed/1130689

Coulson, C. J., Girkin, R.; Anal Biochem. 1975 May 12.

https://www.ncbi.nlm.nih.gov/pubmed/7467395

Kirkpatrick, D., Girkin, R., Chasseaud, L. F., Hawkins, D. R., Conway, B.; Xenobiotica. 1980 Nov.

Biotransformation of lofexidine in humans

Midgley, I., Fowkes, A. G., Chasseaud, L. F., Hawkins, D. R., Girkin, R., Kesselring, K.; Xenobiotica. 1983 Feb.

Metabolic fate of the beta-blocker 14C-bupranolol in humans, dogs, and rhesus monkeys.

Waller, A. R., Chasseaud, L. F., Bonn, R., Taylor, T., Darragh, A., Girkin, R., Down, W. H., Doyle, E.; Drug Metab Dispos. 1982 Jan 01

The biotransformation of [14C]lormetazepam in dogs, rabbits, rats and rhesus monkeys.

Mayo, B. C., Hawkins, D. R., Hümpel, M., Chasseaud, L. F., Girkin, R.; Xenobiotica. 1980 Jun.

The absorption, distribution and excretion of [14C]lormetazepam in dogs, rabbits, rats and rhesus monkeys

Girkin, R., Baldock, G. A., Chasseaud, L. F., Hümpel, M., Hawkins, D. R., Mayo, B. C.; Xenobiotica. 1980 Jun.