Tehran University of Medical Sciences Acta Medica Iranica 0044-6025 0 1-2 1967 06 15 1 5 Ali Akbar Handjani Bijan Nazari (Nik Akhtar) 2015 09 28 The cause of elevated diastoic blood pressure remains elusive in the majority of instanses, however in about 3-25 per cent of all hypertensive patients an specific causative factor such as renal can be identified. Based upon our recent study, we believe that the incidence of renal hypertensions is quite high in our community with the esternate ranging from 10 to 4U per cent of all secondary hypertentions. https://acta.tums.ac.ir/index.php/acta/article/view/4078 https://acta.tums.ac.ir/index.php/acta/article/download/4078/4053