title: Largest ASD device closure.
authors: Department of Paediatric Cardiology, Rabindranath Tagore International Institute of Cardiac Sciences, Kolkata, India. E-mail:  jpankaj202@gmail.com.
authors: Pankaj
authors: P
authors: Sugaonkar
authors: Debasree
authors: D
authors: Ganguly
authors: Amitabha
authors: A
authors: Chattopadhyaya
authors: Biswajit
authors: B
authors: Bandyopadyaya