J. A. Simpson

The effect of folic acid supplementation on plasma homocysteine in an elderly population.

J. Simpson, C. Bond, R. Taylor, 2002, QJM : monthly journal of the Association of Physicians.

Abetalipoproteinaemia in adults: Role of vitamin therapy

W. Foulds, G. Watkinson, P. Mills, 1988, Journal of Inherited Metabolic Disease.

PLASMA CELL GRANULOMA OF THE LUNG: CASE REPORT

J. A. Simpson, A. Adams, D. J. McCully, 1973, Pathology.