Summary
Motility and vitality of spermatozoa from semen differing in sperm density were assessed at various intervals after ejaculation. Percentile decreases in both parameters were found to be higher in oligospermic specimens than in those with higher sperm densities.
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Singer, R., Sagiv, M., Landau, B. et al. Motility and vitality of human spermatozoa at various time intervals after ejaculation. Experientia 36, 578–579 (1980). https://doi.org/10.1007/BF01965812
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DOI: https://doi.org/10.1007/BF01965812