Anti-factor Xa assay is a superior correlate of heparin dose than activated partial thromboplastin time or activated clotting time in pediatric extracorporeal membrane oxygenation*. - Liveris A; Bello RA; Friedmann P; Duffy MA; Manwani D; Killinger JS; Rodriquez D; Weinstein S (Pediatric critical care medicine : a journal of the Society of Critical Care Medicine and the World Federation of Pediatric Intensive and Critical Care Societies, 2014)