1.
Vopr Okhr Materin Det
; 23(7): 20-4, 1978 Jul.
Article
in Russian
| MEDLINE
| ID: mdl-98917
2.
Vopr Okhr Materin Det
; 21(4): 61-5, 1976 Apr.
Article
in Russian
| MEDLINE
| ID: mdl-997345