temps (durée) (1) test (1) norme (1) paramètre (1) filtration (1) enrichissement (1) méthode (1) densité (1) Development (1) Density (1) Value (1) Time (1) Spermatozoa (1) Semen (1) Possibility (1) Glass beads (1) Filters and filtration (1) Density (1) Beads (1) Adhesion (1) Spermatozoa (1) Sizes (1) Facilities (1)