P. R. Barker

发表

John Twidell, V. O. Shestopal, P. R. Barker, 1983 .

P. R. Barker, J. Patten, J. Kwan, 1987, Journal of neurology, neurosurgery, and psychiatry.

G. Blessed, P. R. Barker, J. Patten, 2022 .

P. R. Barker, G. Hornett, 1992, The British journal of general practice : the journal of the Royal College of General Practitioners.

P. R. Barker, G. Hornett, 1992, The British journal of general practice : the journal of the Royal College of General Practitioners.