1.
Vopr Okhr Materin Det
; 23(11): 73-5, 1978 Nov.
Article
in Russian
| MEDLINE
| ID: mdl-741685
2.
Vopr Okhr Materin Det
; 21(9): 75-7, 1976 Sep.
Article
in Russian
| MEDLINE
| ID: mdl-997398