(Q39615808)
Statements
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Comparative study of electronic vs. paper VAS ratings: a randomized, crossover trial using healthy volunteers (English)
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Richard H Gracely
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Stephen A Raymond
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Jonathan G Levine
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Barbara Marino
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Timothy J Herrmann
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Margaret Daly
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David Fram
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Nathaniel P Katz
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1 September 2002
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99
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1-2
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341-347
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Identifiers
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