(Q38549792)
Statements
1 reference
Approaches to the denominator in practice-based epidemiology: a critical overview (English)
1 reference
Schlaud M
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Brenner MH
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Hoopmann M
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Schwartz FW
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1 April 1998
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1 reference
52 Suppl 1
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13S-19S
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Identifiers
1 reference