DIAGNOSTIC ACCURACY OF THE RAPID SHALLOW BREATHING INDEX (RSBI), THE RATE OF CHANGE OF RSBI OVER TIME, AND THE PARASTERNAL INTERCOSTAL MUSCLE THICKNESS FRACTION (PICTF%) IN PREDICTING SUCCESSFUL WEANING FROM MECHANICAL VENTILATION. A-JMRHS. 2026;4(2):501-510. doi:10.65605/a-jmrhs.2026.v04.i02.pp501-510