Environmental factors in Down's syndrome.
Environmental factors in Down's syndrome. [electronic resource]
- Lancet (London, England) Jun 1971
- 1223-4 p. digital
Publication Type: Journal Article
0140-6736
Down Syndrome--epidemiology
Female
Humans
Maternal Age
Pregnancy
Publication Type: Journal Article
0140-6736
Down Syndrome--epidemiology
Female
Humans
Maternal Age
Pregnancy