By Boedeker C.   Ridder G.   Schipper J.   in Familial Cancer

ISSN:1389-9600|4|1|55-59

Springer Publishing Company ‎(2005)‎

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By van Ours J.C.   Ridder G.   in Economics of Education Review

ISSN:0272-7757|22|2|157-166

Elsevier‎(2003)‎

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By Ours J.C.v.   Ridder G.   in European Economic Review

ISSN:0014-2921|39|9|1717-1731

Elsevier‎(1995)‎

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By Erwin H.   de Ridder G.   Barton P.A.   in Biochemical Education

ISSN:0307-4412|29|5|196-198

Elsevier‎(2001)‎

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By Koning R.H.   Koolhaas M.   Renes G.   Ridder G.   in European Journal of Operational Research

ISSN:0377-2217|148|2|268-276

Elsevier‎(2003)‎

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By Schipper J.   Ridder G.   Maier W.   Spetzger U.   in HNO

ISSN:0017-6192|52|11|984-994

Springer Publishing Company ‎(2004)‎

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By A. Gautier P.   J. van den Berg G.   C. van Ours J.   Ridder G.   in European Economic Review

ISSN:0014-2921|46|3|523-538

Elsevier‎(2002)‎

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By Schipper J.   Ridder G.   Spetzger U.   Teszler C.   Fradis M.   Maier W.   in European Archives of Oto-Rhino-Laryngology

ISSN:0937-4477|261|5|282-290

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By Schipper J.   Ridder G.   Arapakis I.   Gellrich N.-C.   Spetzger U.   Maier W.   in HNO

ISSN:0017-6192|52|10|897-907

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By Schipper J.   Klenzner T.   Aschendorff A.   Arapakis I.   Ridder G.   Laszig R.   in HNO

ISSN:0017-6192|52|4|329-335

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