Association Between No-Flow Time, Prehospital Low-Flow Time, and Conversion to Nonshockable Rhythm in Patients With Out-of-Hospital Cardiac Arrest Presenting With Initial Shockable Rhythm: A Nationwide Prospective Study in Japan. - Kandori K; Nakajima S; Matsuyama T; Kitamura T; Narumiya H; Hitosugi M; Okada Y (Journal of the American Heart Association, 2025)