Determination of urinary 4-pyridoxic acid levels as 4-pyridoxic acid lactone using high-performance liquid chromatography von Ubbink, JB, Serfontein, WJ, Becker, PJ, De Villiers, LS

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Depressed plasma pyridoxal-5′-phosphate levels in tobacco-smoking men von Serfontein, W.J., Ubbink, J.B., De Villiers, L.S., Becker, P.J.

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Family history as a risk factor for coronary heart disease in South African families von HITZEROTH, H. W, DE VILLIERS, L. S, GROENEVELD, H. T

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Endoscopic management of rectal Dieulafoy-like lesions: a case series and review of literature von Meister, Thomas E., Varilek, Gary W., Marsano, Luis S., Gates, Lawrence K., Al-Tawil, Youhanna, de Villiers, Willem Willem

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Stability of pyridoxal-5-phosphate semicarbazone: applications in plasma vitamin B6 analysis and population surveys of vitamin B6 nutritional status von URBINK, J. B, SERFONTEIN, W. J, DE VILLIERS, L. S

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Improving the cost-effective and rational use of medicines von de Villiers, A, de Villiers, L S

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Natural micronutrients as controlling factors in Western diseases — A lesson in nature-programming von De Villiers, L.S.

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Plasma pyridoxal-5-phosphate level as risk index for coronary artery disease von Serfontein, W.J., Ubbink, J.B., De Villiers, L.S., Rapley, C.H., Becker, P.J.

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Margarine and coronary heart disease von de Villiers, L S

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Analytical recovery of protein-bound pyridoxal-5′-phosphate in plasma analysis von Ubbink, J.B., Serfontein, W.J., de Villiers, L.S.

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Margarine and coronary heart disease von de Villiers, L S

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Micronutrients and cholesterol von de Villiers, L S

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Genetic polymorphism of glutamate-pyruvate transaminase (alanine aminotransaminase): influence on erythrocyte activity as a marker of vitamin B-6 nutritional status von Ubbink, J B, Bissbort, S, van den Berg, I, de Villiers, L S, Becker, P J

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Aldosterone response to metoclopramide is mediated through the autonomic nervous system in man von SOMMERS, D. K, MEYER, E. C, VAN WYK, M, DE VILLIERS, L. S

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Further evidence on the effect of vitamin E on the cholesterol distribution in lipoproteins with special reference to HDL subfractions von Serfontein, W J, Ubbink, J B, de Villiers, L S

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The effects of labetalol and oxprenolol on blood lipids von Sommers, D K, de Villiers, L S, van Wyk, M, Schoeman, H S

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Linkage disequilibrium between a marker on the LDL receptor and high cholesterol levels von Bissbort, S, Wentzel, D D, de Villiers, L S

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Prevalence of familial hypercholesterolemia von de Villiers, L S, Serfontein, W J

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Antibody Response in Children with Protein Malnutrition von PRETORIUS, P.J, DE VILLIERS, L.S

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Medical, legal and administrative aspects of cadaveric organ donation in the RSA von Cooper, D.K.C., de Villiers, J.C., Smith, L.S., Crombie, Y., Boyd, S.T., Jacobson, J.E. & Barnard, C.N.

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