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ISSN:0284-186X|50|1|4-11

Informa Healthcare‎(2011)‎

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By Schröder Fritz H.   in European Journal of Epidemiology

ISSN:0393-2990|18|11|1021-1024

Springer Publishing Company ‎(2003)‎

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By Rietbergen John B. W.   Schröder Fritz H.   in Acta Oncologica

ISSN:0284-186X|37|6|515-532

Informa Healthcare‎(1998)‎

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