Graf L H, Matsui M, Temponi M, Romano G, Rosenberg C D, Natali P G, Ferrone S
College of Dentistry, Center for Research in Periodontal Diseases and Oral Molecular Biology, Chicago, Illinois.
Adv Exp Med Biol. 1988;233:341-9. doi: 10.1007/978-1-4899-5037-6_37.