1. His, W. Die Haute und Hohlen des Körpers. Schweighauser , Basel, 1865. Quoted by Robb-Smith, A.H.T. The Relationship of Reticulin to other "Collagens." In G. Stainsby (editor), Recent Advances in Gelatin and Glue Research , London, Pergamon Press , 1958, p. 38-44.