Bundy, R., Walker, A. F., Middleton, R. W., Wallis, C. and Simpson, H. C. R. (2008) Artichoke leaf extract (Cynara scolymus) reduces plasma cholesterol in otherwise healthy hypercholesterolemic adults: A randomized, double blind placebo controlled trial. Phytomedicine, 15 (9). pp. 668-675. ISSN 0944-7113 doi: https://doi.org/10.1016/j.phymed.2008.03.001

Hamblin, L., Laird, A., Parkes, E. and Walker, A. F. (2008) Improved arthritic knee health in a pilot RCT of phytotherapy. Journal of the Royal Society for the Promotion of Health, 128 (5). pp. 255-262. ISSN 1466-4240 doi: https://doi.org/10.1177/1466424008092798

Walker, A. F. (2007) Potential micronutrient deficiency lacks recognition in diabetes. British Journal of General Practice, 57 (534). pp. 3-4. ISSN 0960-1643

Brien, S., Lewith, G., Walker, A.F., Middleton, R., Prescott, P. and Bundy, R. (2006) Bromelain as an adjunctive treatment for moderate-to-severe osteoarthritis of the knee: a randomized placebo-controlled pilot study. Qjm-an International Journal of Medicine, 99 (12). pp. 841-850. ISSN 1460-2725 doi: https://doi.org/10.1093/qjmed/hcl118

Walker, A.F. (2006) Herbal medicine: the science of the art. Proceedings of the Nutrition Society, 65 (2). pp. 145-152. ISSN 0029-6651 doi: https://doi.org/10.1079/PNS2006487

Walker, A.F., Marakis, G., Simpson, E., Hope, J.L., Robinson, P.A., Hassanein, M. and Simpson, H.C.R. (2006) Hypotensive effects of hawthorn for patients with diabetes taking prescription drugs: a randomised controlled trial. British Journal of General Practice, 56 (527). pp. 437-443. ISSN 0960-1643

Bundy, R., Walker, A.F., Middleton, R.W., Marakis, G. and Booth, J.C.L. (2004) Artichoke leaf extract reduces symptoms of irritable bowel syndrome and improves quality of life in otherwise healthy volunteers suffering from concomitant dyspepsia: a subset analysis. Journal of Alternative and Complementary Medicine, 10 (4). pp. 667-669. ISSN 1075-5535 doi: https://doi.org/10.1089/acm.2004.10.667

Christie, S., Walker, A.F., Hicks, S.M. and Abeyasekera, S. (2004) Flavonoid supplement improves leg health and reduces fluid retention in pre-menopausal women in a double-blind, placebo-controlled study. Phytomedicine, 11 (1). pp. 11-17. ISSN 0944-7113 doi: https://doi.org/10.1078/0944-7113-00347

Bundy, R., Walker, A.F., Middleton, R.W. and Booth, J. (2004) Turmeric extract may improve irritable bowel syndrome symptomology in otherwise healthy adults: a pilot study. Journal of Alternative and Complementary Medicine, 10 (6). pp. 1015-1018. ISSN 1075-5535 doi: https://doi.org/10.1089/acm.2004.10.1015.

Hicks, S.M., Walker, A.F., Gallagher, J., Middleton, R.W. and Wright, J. (2004) The significance of "nonsignificance" in randomized controlled studies: a discussion inspired by a double-blinded study on St. John's Wort (Hypericum perforatum L.) for premenstrual symptoms. Journal of Alternative and Complementary Medicine, 10 (6). pp. 925-932. ISSN 1075-5535

Roberts, W.G., Gordon, M.H. and Walker, A.F. (2003) Effects of enhanced consumption of fruit and vegetables on plasma antioxidant status and oxidative resistance of LDL in smokers supplemented with fish oil. European Journal of Clinical Nutrition, 57 (10). pp. 1303-1310. ISSN 0954-3007 doi: https://doi.org/10.1038/sj.ejcn.1601692

Walker, A.F., Marakis, G., Christie, S. and Byng, M. (2003) Mg citrate found more bioavailable than other Mg preparations in a randomised, double-blind study. Magnesium Research, 16 (3). pp. 183-191. ISSN 0953-1424