Side effects from the copper IUD: do they decrease over time?☆☆☆
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☆ This secondary analysis was supported by an unrestricted research grant from Duramed Research, Inc. The original study was funded by the National Institutes of Health.
☆☆ The views expressed in this publication do not necessarily reflect those of Family Health International or the funding entity.
PII: S0010-7824(08)00540-4
doi:10.1016/j.contraception.2008.11.012
© 2009 Elsevier Inc. All rights reserved.
