Trends and Causes of Congenital Anomalies in the Pleven Region, Bulgaria
, and
Oct 09, 2009
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Published Online: Oct 09, 2009
Page range: 37 - 43
DOI: https://doi.org/10.2478/v10034-009-0007-7
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Kovacheva, K
Simeonova, M
Velkova, A