1.
Gig Sanit
; (3): 33-5, 1986 Mar.
Article
in Russian
| MEDLINE
| ID: mdl-3699460
Subject(s)
Lighting/standards , Schools, Medical/standards , Vision Disorders/rehabilitation , Visual Acuity , Adult , Humans
2.
Gig Sanit
; (9): 71-3, 1981 Sep.
Article
in Russian
| MEDLINE
| ID: mdl-7297884