1.
Ginekol Pol
; 50(6): 507-9, 1979 Jun.
Article
in Polish
| MEDLINE
| ID: mdl-478339
2.
Ginekol Pol
; 47(8): 901-8, 1976 Aug.
Article
in Polish
| MEDLINE
| ID: mdl-184010
3.
J Obstet Gynaecol Br Commonw
; 75(7): 762-7, 1968 Jul.
Article
in English
| MEDLINE
| ID: mdl-5662040