1. (a) Haslam, E. In Plant Polyphenols—Vegetable Tannins Revisited; Cambridge University Press: Cambridge, 1989.
2. Tannins and related compounds. Part 5. Isolation and characterization of polygalloylglucoses from Chinese gallotannin
3. Hoekstra, M. J.; Dutrieux, R. P.; Kreis, R. W. Tannin Ointment Alternated with Silversulfadiazine 1% Cream Versus Tannin Ointment Alternated with Silversulfadiazine 1% Liquid. Pre-clinical investigation report, no: 92871008. Burns Research Institute: Beverwijk, The Netherlands, 1992.
4. Tannin Ointment. Clinical Pilot Trial Report;Kreis,1992