The prevalence and role of LDL particle size as a risk entity of ischaemic heart disease in South Africans The role of methionine-homocysteine metabolism in neural tube defects Homocysteine metabolism The role and interaction of Lp(a) and homocysteine in premature atherosclerosis Familial hypercholesterolemia, abnormal homocysteine metabolism and vascular disease Calcium and magnesium metabolism Toxicology Screening of innate defects in metabolic paths Accreditation of clinical laboratory Post graduate studies Diabetes Mellitus Cushing's Syndrome Thrombosis Cystic fibrosis Chromatography Molecular Lipids