Cita APA

Balmer, C., Beghetti, M., Fasnacht, M., Friedli, B., & Arbenz, U. (2004). Balloon aortic valvoplasty in paediatric patients: Progressive aortic regurgitation is common. Copyright 2004 by Heart.

Citación estilo Chicago

Balmer, C., M. Beghetti, M. Fasnacht, B. Friedli, y U. Arbenz. Balloon Aortic Valvoplasty in Paediatric Patients: Progressive Aortic Regurgitation Is Common. Copyright 2004 by Heart, 2004.

Cita MLA

Balmer, C., et al. Balloon Aortic Valvoplasty in Paediatric Patients: Progressive Aortic Regurgitation Is Common. Copyright 2004 by Heart, 2004.