Amphiregulin is much more abundantly expressed than transforming growth factor-alpha and epidermal growth factor in human follicular fluid obtained from patients undergoing in vitro fertilization–embryo transfer
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Y.I. has nothing to disclose. S.M. has nothing to disclose. T.F. has nothing to disclose. K.S. has nothing to disclose. F.Y. has nothing to disclose. T.K. has nothing to disclose.
Authors Y.I. and S.M. contributed equally to the work and both should be considered to be the first author.
PII: S0015-0282(08)00028-9
doi:10.1016/j.fertnstert.2008.01.014
© 2009 American Society for Reproductive Medicine. Published by Elsevier Inc. All rights reserved.

