Özkutlu, S., Özme, Ş., Atalay, S., Saraçlar, M., Bilgiç, A., & Yurdakul, Y. (1992). Two-dimensional and Doppler echocardiography in the diagnosis of absent pulmonary valve syndrome (surgery without catheterization). The Turkish Journal of Pediatrics, 34(4), 245-250. https://doi.org/10.24953/turkjpediatr.1992.3741