A pilot study of poly(N-isopropylacrylamide)-g-polyethylene glycol and poly(N-isopropylacrylamide)-g-methylcellulose branched copolymers as injectable scaffolds for local delivery of neurotrophins and cellular transplants into the injured spinal cord. - Conova L; Vernengo J; Jin Y; Himes BT; Neuhuber B; Fischer I; Lowman A (Journal of neurosurgery. Spine, 2011)