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1.  An investigation of space and space-time clustering in a large sample of infants with neural tube defects born in Cardiff. 
Altogether 406 infants with neural tube defects born in Cardiff between 1956-71 were investigated for evidence of space-time clustering and 100 similarly affected infants, together with matched controls born in Cardiff between 1964-66 were investigated for evidence of spatial clustering. No evidence of excessive prevalence in either dimension was observed.
PMCID: PMC478915  PMID: 1104033

Results 1-13 (13)