E Szerman-Joly

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The aromatization of testosterone into 17 beta-estradiol (E2) was assessed in purified Leydig and Sertoli cells from rats aged 10-80 days. E2 was identified by gas chromatography-mass spectrometry (GC-MS) and measured both by radioimmunoassay (RIA) and GC-MS associated with stable isotope dilution. A potent competitive inhibitor of the aromatase activity,(More)
In secretory azoospermia, plasma FSH is usually high and seminal carnitine in relation with epididymal secretion, normal. In excretory azoospermia, FSH is not increased and seminal carnitine is lowered. Here we report the case of 23 patients in whom FSH was not increased and seminal carnitine not decreased. Among these patients 17 had had surgery with vas(More)
To improve the quality of sperm for intra-uterine insemination (IUI) or in-vitro fertilization (IVF) swim-up (SU) and migration-sedimentation (MS) methods were compared, for the selection of morphologically normal and motile sperm. In 74 patients consulting for couple infertility, it was shown that MS gave a better yield of motile sperm than did SU. An(More)
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