Poor sperm quality affects clinical outcomes of intracytoplasmic sperm injection in fresh and subsequent frozen–thawed cycles: potential paternal effects on pregnancy outcomes
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Authors S.-H.L. and H.S. contributed equally to the work and both should be considered to be the first author.
PII: S0015-0282(07)04346-4
doi:10.1016/j.fertnstert.2007.12.061
© 2009 American Society for Reproductive Medicine. Published by Elsevier Inc. All rights reserved.

