Genetic Polymorphisms of β2- and β3-Adrenergic Receptor Genes Associated with Characteristics of the Metabolic Syndrome in Black South African Women - Rooyen, J M van; Pretorius, P J; Britz, M; Huisman, H W; Schutte, A E; Towers, G W; Olckers, A; Schwarz, P E H; Malan, N T; Malan, L; Schutte, R (Experimental and Clinical Endocrinology & Diabetes, 2008)