1.
Gig Sanit
; (8): 54-5, 1989 Aug.
Article
in Russian
| MEDLINE
| ID: mdl-2531702
2.
Arkh Anat Gistol Embriol
; 93(7): 64-8, 1987 Jul.
Article
in Russian
| MEDLINE
| ID: mdl-3314800