PULMONARY VASCULAR REACTIVITY OF SPONTANEOUSLY HYPERTENSIVE RATS IS EXACERBATED IN RESPONSE TO THE CENTRAL ADMINISTRATION OF EXOGENOUS NITRIC OXIDE. - Schwenke, Daryl O.; Pearson, James T.; Tsuchimochi, Hirotsugu; Kangawa, Kenji; Shirai, Mikiyasu (Clinical & Experimental Pharmacology & Physiology, 2007)