1.
Schweiz Monatsschr Zahnmed (1984)
; Spec No: 219-24, 1986.
Article
in German
| MEDLINE
| ID: mdl-3515537
2.
Schweiz Monatsschr Zahnmed (1984)
; Spec No: 246-58, 1986.
Article
in German
| MEDLINE
| ID: mdl-3515538
3.
Swiss Dent
; 2(4): 59-60, 62, 1981 Apr.
Article
in German
| MEDLINE
| ID: mdl-6954752