1. The Ageing of Connective Tissue;Hall,1976
2. The Chemistry and Reactivity of Collagen;Gustavson,1956
3. Aging of the collagen fiber;Verzar;Int Rev Connect Tissue Res,1964
4. Veränderungen der thermoelastischen Kontraktion von Sehnenfasern im Alter;Verzar;Helvetica Physiologica et Pharmacologica Acta,1955