In vitro fertilization and sperm cryopreservation in the black-footed cat (Felis nigripes) and sand cat (Felis margarita). (49/352)

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CFTR is essential for sperm fertilizing capacity and is correlated with sperm quality in humans. (50/352)

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Leukocytospermia and sperm preparation--a flow cytometric study. (51/352)

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Analysis of polymorphisms in the SRD5A2 gene and semen parameters in Estonian men. (52/352)

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What has happened to human fertility? (53/352)

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World Health Organization reference values for human semen characteristics. (54/352)

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Increased lipid peroxidation and abnormal fatty acid profiles in seminal and blood plasma of normozoospermic males from infertile couples. (55/352)

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Human sperm thermotaxis is mediated by phospholipase C and inositol trisphosphate receptor Ca2+ channel. (56/352)

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