Magnetic resonance imaging detection of aortic and pulmonary artery wall thickening in acute stage of Takayasu arteritis: improvement of clinical and radiologic findings after steroid therapy. - Tanigawa,K.; Eguchi,K.; Kitamura,Y.; Kawakami,A.; Ida,H.; Yamashita,S.; Matsunaga,N.; Hayashi,K.; Nagataki,S. (Arthritis Rheum, 1992)