1.
Stomatologiia (Sofiia)
; 61(4): 264-70, 1979.
Article
in Bulgarian
| MEDLINE
| ID: mdl-299346
2.
Stomatologiia (Sofiia)
; 61(3): 179-84, 1979.
Article
in Bulgarian
| MEDLINE
| ID: mdl-299288