Reply to Drs. Walmsley and Casey letter.
Academic Medical Centre, Amsterdam, The Netherlands. Electronic address: f.bennebroek@amc.uva.nl.
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Bennebroek Evertsz'
Pythia T
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Nieuwkerk
Pieter C F
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Stokkers
Cyriel Y
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Ponsioen
Claudi L H
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Bockting
Robbert
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Sanderman
Mirjam A G
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Sprangers
D003093:Colitis, Ulcerative / Q000175:diagnosis*; D005260:Female; D007722:Health Knowledge, Attitudes, Practice; D006801:Humans; D008297:Male; D010818:Practice Patterns, Physicians' / Q000592:standards* / Q000706:statistics & numerical data*