1.
Stomatologiia (Sofiia)
; 58(3): 220-3, 1976.
Article
in Bulgarian
| MEDLINE
| ID: mdl-802442
2.
Stomatologiia (Sofiia)
; 57(5): 347-51, 1975.
Article
in Bulgarian
| MEDLINE
| ID: mdl-1077234