RT Journal Article SR Electronic T1 Echocardiographic approach of left ventricular dysfunctions in essential hypertension JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 1912 OP 1915 VO 28 IS 12 A1 Surucu, Huseyin A1 Degirmenci, Ali A1 Tatli, Ersan A1 Ozbay, Gultac YR 2007 UL http://smj.org.sa/content/28/12/1912.2.abstract AB