Association Between Physicians’ Appropriate Use of Echocardiography and Subsequent Healthcare Use and Outcomes in Patients With Heart Failure oleh Tharmegan Tharmaratnam, Zachary Bouck, Atul Sivaswamy, Harindra C. Wijeysundera, Cherry Chu, Cindy X. Yin, Gillian C. Nesbitt, Jeremy Edwards, Kibar Yared, Brian Wong, Adina Weinerman, Paaladinesh Thavendiranathan, Harry Rakowski, Paul Dorian, Geoff Anderson, Peter C. Austin, David M. Dudzinski, Dennis T. Ko, Rory B. Weiner, R. Sacha Bhatia