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OBJECTIVE To investigate the impact of immunoglobulin (Ig) isotypes and their location on the human sperm surface on fertilization in vitro. DESIGN Restrospective review and analysis. SETTING Reproductive endocrine division of a level 3 academic center. PATIENTS Forty-eight couples (80 IVF cycles) with males showing positive antisperm antibodies on(More)
STUDY OBJECTIVES Nocturnal cardiovascular events are more frequent at the beginning and end of the night. It was proposed that this pattern reflects the nocturnal distribution of sleep and sleep stages. Using heart rate variability (HRV), we recently showed an interaction between the circadian system and vigilance states on the regulation of cardiac(More)
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