(Q39469261)
Statements
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Two years of intrauterine contraception with levonorgestrel and with copper: a randomized comparison of the TCu 380Ag and levonorgestrel 20 mcg/day devices (English)
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I Sivin
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J Stern
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J Diaz
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M M Diaz
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A Faundes
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S el Mahgoub
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S Diaz
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M Pavez
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E Coutinho
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C E Mattos
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1 March 1987
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1 reference
Identifiers
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