Relaxation of bovine coronary artery and activation of coronary arterial guanylate cyclase by nitric oxide, nitroprusside and a carcinogenic nitrosoamine - Gruetter, C A; Barry, B K; McNamara, D B; Gruetter, D Y; Kadowitz, P J; Ignarro, L J (J Cyclic Nucleotide Protein Phosphoryl Res, 1979)