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NCI Dictionary of Cancer Terms

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NCI Dictionary of Cancer Terms

selective estrogen receptor modulator  listen  (seh-LEK-tiv ES-truh-jin reh-SEP-ter MAH-juh-lay-ter)

  A drug that acts like estrogen on some tissues but blocks the effect of estrogen on other tissues. Tamoxifen and raloxifene are selective estrogen receptor modulators. Also called SERM.