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OBJECTIVE To assess the effect of add-back therapy with continuous combined estrogen-progestin on the GnRH agonist-induced hypoestrogenic state and its effectiveness in healing of endometriotic(More)
A few years ago, Tim Pennings [8] wrote in this journal about his dog Elvis. He observed that while fetching a ball, Elvis would optimize his path so that he would reach a thrown ball as quickly as(More)
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