D Hess
发表
F R Kopp,
U C Belser,
D Hess,
1990,
Die Quintessenz.
D Buser,
N P Lang,
U C Belser,
1998,
Periodontology 2000.
D Buser,
U C Belser,
D Hess,
1999,
Periodontology 2000.