Engineering a Cysteine-Free Form of Human Fibroblast Growth Factor-1 for “2nd Generation” Therapeutic Application, Xia, X., Kumru, O.S., Blaber, S.I., Middaugh, C.R., Li, L., Ornitz, D.M., Sutherland, M.A., Tenorio, C. and Blaber, M., J. Pharm. Sci. 105, 1444-53 (2016) – Trefoil therapeutics