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The utility of the general practice research database to examine selected congenital heart defects: a validation study
K. E. Wurst, S. A. Ephross, J. Loehr, D. W. Clark, H. A. GuessVolume:
16
Year:
2007
Language:
english
Pages:
11
DOI:
10.1002/pds.1431
File:
PDF, 133 KB
english, 2007