Soma M, Nakayama K, Rahmutula D, Uwabo J, Sato M, Kunimoto M, et al. Ser9Gly polymorphism in the dopamine D3 receptor gene is not associated with essential hypertension in the Japanese. Med Sci Monit. 2002;8:CR1-4 pubmed
..The Ser9Gly polymorphism in the DRD3 gene are not associated with EH. However, our negative result does not exclude the possibility of another variant elsewhere in or near the DRD3 gene in EH. ..