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Willén , R., Willén , H., Dubiel , W.T. and Johansson , L. 1983. Composition of Surface Layers in Unfixed Autologous Fascia Lata Heart Valve Grafts: A transmission electron microscopical study. Upsala Journal of Medical Sciences. 88, 1 (Mar. 1983), 25-31. DOI:https://doi.org/10.3109/03009738309178435.