Quantification of systemic renin-angiotensin system peptides of hypertensive black and white African men established from the RAS-Fingerprint® - Van Rooyen, J M; Poglitsch, M; Huisman, H; Mels, C; Kruger, R; Malan, L; Botha, S; Lammertyn, L; Gafane, L; Schutte, A E (J Renin Angiotensin Aldosterone Syst, 2016)