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. 1968 Oct;22(4):212-22.
doi: 10.1136/jech.22.4.212.

Major central nervous system malformations in South Wales. II. Pregnancy factors, seasonal variation, and social class effects

Major central nervous system malformations in South Wales. II. Pregnancy factors, seasonal variation, and social class effects

K M Laurence et al. Br J Prev Soc Med. 1968 Oct.
No abstract available

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