(Q44768179)
Statements
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A 3-year double-blind, randomized, controlled study on the influence of two oral contraceptives containing either 20 microg or 30 microg ethinylestradiol in combination with levonorgestrel on bone mineral density (English)
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Endrikat J
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Mih E
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Düsterberg B
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Land K
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Schmidt W
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Felsenberg D
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1 March 2004
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69
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3
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179-187
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Identifiers
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