Evidence for superoxide radical-mediated vasospasm following coronary artery angioplasty in intact dogs - Laurindo, F. R. M.; Uint, L; Jaeger, Ruy Gastaldoni; Rocha, T R; Brandizzi, L I; Fujimura, A; Pileggi, F; Luz, Protásio Lemos da (Arquivos de Biologia e Tecnologia, 1989)