1.
Acta Genet Med Gemellol (Roma)
; 22 suppl: 191-2, 1974.
Article
in English
| MEDLINE
| ID: mdl-4440414
Subject(s)
Ovum/growth & development , Adolescent , Adult , Female , Humans , Maternal Age , Menstruation , Ovulation , Pregnancy , Pregnancy, Multiple , Time Factors
2.
Acta Genet Med Gemellol (Roma)
; 22 suppl: 44-7, 1974.
Article
in English
| MEDLINE
| ID: mdl-4440424