1.
Ginekol Pol
; 47(11): 1257-60, 1976 Nov.
Article
in Polish
| MEDLINE
| ID: mdl-992451
Subject(s)
Uterine Cervical Incompetence/classification , Adolescent , Adult , Female , Humans , Poland , Pregnancy , Uterine Cervical Incompetence/epidemiology
2.
Wiad Lek
; 27(12): 1091-4, 1974 Jun 15.
Article
in Polish
| MEDLINE
| ID: mdl-4840272