(Q45165467)
Statements
1 reference
Sources of variability in birth defects prevalence rates (English)
1 reference
Hobbs CA
1 reference
Hopkins SE
1 reference
Simmons CJ
1 reference
1 January 2001
1 reference
1 reference
64 Suppl 1
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S8-S13
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Identifiers
1 reference
1 reference