By Been Jasper   in European Journal of Epidemiology

ISSN:0393-2990|28|6|525-526

Springer Publishing Company ‎(2013)‎

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By Been Jasper   Zimmermann Luc   in European Journal of Pediatrics

ISSN:0340-6199|166|9|889-899

Springer Publishing Company ‎(2007)‎

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