1.
Stomatologiia (Sofiia)
; 69(5): 4-7, 1987.
Article
in Bulgarian
| MEDLINE
| ID: mdl-3507106
Subject(s)
Gingivitis/epidemiology , Oral Hygiene , Adult , Dental Plaque/prevention & control , Humans , Students, Dental
2.
Virology
; 36(4): 683-5, 1968 Dec.
Article
in English
| MEDLINE
| ID: mdl-4302006
3.
Virology
; 32(3): 378-92, 1967 Jul.
Article
in English
| MEDLINE
| ID: mdl-4291303