1. Scott J. Molecules that keep you in shape. New Sci 1986; 24: 49–53.
2. Nordin M, Frankel VH. Biomechanics of collagenous tissues. In: Basic biomechanics of the Skeletal system. Lea and Febiger, Philadelphia, pp. 87–110, 1980.
3. Nimni ME, Harkness RD. Molecular structure and functions of collagen. In: Nimni M, ed. Collagen. CRC Press, Cleveland, Ohio, pp. 3–35, 1988.
4. Diamant J, Keller A, Baer E, Litt M, Arridge RGC. Collagen: ultrastructure and its relation to mechanical properties as a function of aging. Proc R Soc Lond [Biol] 1972; 180: 293–315.
5. Ramachandran GN. Treatise on collagen. In: Ramachandran GN, ed. Chemistry of collagen. Academic Press, New York, pp. 103, 1967.