(Q43971903)
Statements
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"Free levonorgestrel index" (FLI) is a better parameter than plasma level of levonorgestrel for predicting risk of pregnancy during use of subdermal contraceptive implants releasing levonorgestrel (English)
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Olsson SE
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Odlind V
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1 October 1988
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52
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4
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407-408
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Identifiers
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