(Q50882646)
Statements
Factors influencing the spread of pertussis in households. (English)
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C H Wirsing von König
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S Postels-Multani
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H Bogaerts
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H L Bock
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S Laukamp
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S Kiederle
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H J Schmitt
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1 May 1998
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157
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5
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391-394
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