2520734 COSC Combat and Operational Stress Control 18 2520738 COSC covalent organic supramolecular cage 2 2520732 COSC Camellia oleifera seed cake 1 2520739 COSC cerebellar organotypic slice cultures 1 2520735 COSC chitooligosaccharide-catechin 1 2520733 COSC Classification OverSight Committee 1 2520731 COSC CO-Synch+C 1 2520736 COSC composite of severe complications 1 2520737 COSC conventional oral systemic chemotherapy 1