P. L. Walker

Improved method for measuring vitamin B ₁₂ in serum using intrinsic factor, ⁵⁷ CoB ₁₂ , and coated charcoal

J. L. Raven, Michael G. Robson, P. L. Walker et al. · Journal of Clinical Pathology · 1969 · 42 citations · Full text

Life Sciences, Biochemistry, Nutritional Sciences +14

Plasma Tryptophan Concentration in Depressive Illness and Mania

Malcolm Peet, J. P. Moody, E. P. Worrall et al. · The British Journal of Psychiatry · 1976 · 31 citations

Medicine, Psychiatry, Psychology +6

Tyramine-conjugation deficit as a trait-marker in endogenous depressive illness

Anthony S. Hale, P. L. Walker, P. K. Bridges et al. · Journal of Psychiatric Research · 1986 · 29 citations

Medicine, Neuroscience, Psychiatry +13

Comparison of the radioisotope dilution-coated charcoal method and a microbiological method <i>(L. leichmannii)</i> for measuring vitamin B ₁₂ in serum

J. L. Raven, P. L. Walker, P. Barkhan · Journal of Clinical Pathology · 1966 · 29 citations · Full text

Life Sciences, Microbiology, Nutritional Sciences +16

Tumour marker requesting in primary care and the role of the laboratory

P. L. Walker, Martin Crook · Journal of Clinical Pathology · 2011 · 27 citations

Medicine, Oncology, Surgery +11