Özme Ş, Özer S, Caner B, Bekdik C, Saraçlar M, Özkutlu S. Detection of intracardiac left-to-right shunts in children by contrast echocardiography and the radionuclide technique. Turk J Pediatr. 1990;32(3):183-195. doi:10.24953/turkjpediatr.1990.3807