AN OBSERVATIONAL STUDY TO ASSESS NT-PRO BNP LEVELS AND CARDIOPULMONARY FUNCTION AS ASSESSED BY ECHOCARDIOGRAPHY IN CHILDREN WITH SICKLE CELL DISEASE ADMITTED IN A TERTIARY CARE CENTRE IN JHARKHAND. A-JMRHS. 2026;4(2):2360-2365. doi:10.65605/a-jmrhs.2026.v04.i02.pp2360-2365