Riociguat Johnson Francis | February 14, 2024 | General Cardiology | No Comments Related Posts What is Chatterjee phenomenon? No Comments | Nov 18, 2022 What is secondary AF? No Comments | Dec 1, 2022 Pack year for cigarette smoking as a risk factor No Comments | Apr 23, 2012 Left atrial rhythm No Comments | Nov 9, 2017 About The Author Johnson Francis Former Professor of Cardiology, Calicut Govt. Medical Kozhikode, Kerala, India. Editor-in-Chief, BMH Medical Journal