by Clark, R.N., Sugar, A.W., Evans, P.Ll, Bocca, A.P., Barrett, P.B., Stafford, G.D.
Published in British journal of oral & maxillofacial surgery (01.06.1997)

by Barrett P.B, Howells T, Klopfenstein W.E, Harwood J.L
Published in Biochemical Society Transactions (1994)

by Barrett, P.B, Harwood, J.L. (School of Molecular and Medical Biosciences, University of Wales Cardiff, P.O. Box 911, Cardiff CF1 3US (United Kingdom))
Published in Phytochemistry (United Kingdom) (1998)

by Barrett, P.B, Harwood, J.L. (School of Molecular and Medical Biosciences, University of Wales, P.O. Box 911, Cardiff CF1 3US, UK)
Published in Phytochemistry (United Kingdom) (1998)

by Barrett, P.B, Harwood, J.L. (School of Molecular and Medical Biosciences, University of Wales Cardiff, P.O. Box 911, Cardiff CF1 3US (United Kingdom))
Published in Phytochemistry (United Kingdom) (1998)

by Thompson, D.W., Rosser, R.W., Barrett, P.B.
Published in Inorganic & nuclear chemistry letters (1971)