[1]
N. Sasikumar, I. Kuladhipati, S. Ramanan, P. Rajasekaran, R. Suramanyan, and K. M. Soman Rema, “Congenital Pulmonary vein stenosis - Diagnosis and treatment”, Int J Med Res Rev, vol. 1, no. 1, pp. 20- 26, Mar. 2013.