PG PNALD PPN PUFA ROP ROS SIRS SO TID TNF TPN Prostaglandin Parenteral Nutrition Associated Liver Disease Peripheral Parenteral Nutrition Poli unsaturated fatty acid Retinopathy of Prematurity Reactive Oxygen Species Systemic inflammatory response syndrome Soybean Oil Totally Implanted Device Tumor Necrosis Factor Alpha Total Parenteral Nutrition xivPG PNALD PPN PUFA ROP ROS SIRS SO TID TNF TPN Prostaglandin Parenteral Nutrition Associated Liver Disease Peripheral Parenteral Nutrition Poli unsaturated fatty acid Retinopathy of Prematurity Reactive Oxygen Species Systemic inflammatory response syndrome Soybean Oil Totally Implanted Device Tumor Necrosis Factor Alpha Total Parenteral Nutrition ...xiv