Essential hypertension
KER, J A.
Essential hypertension.
Continuing Medical Education, [S.l.], v. 24, n. 4, p. 176, jan. 2008.
ISSN 2078-5143.
Available at: <http://www.cmej.org.za/index.php/cmej/article/view/377/236>. Date accessed: 07 May. 2018.