No abstract available
MeSH terms
-
Case-Control Studies
-
Chorionic Villi Sampling / adverse effects*
-
Cohort Studies
-
Congenital Abnormalities / epidemiology
-
Congenital Abnormalities / etiology
-
Female
-
Gestational Age*
-
Humans
-
Italy / epidemiology
-
Limb Deformities, Congenital*
-
Pregnancy
-
Risk Factors
-
United States / epidemiology