Large body fee electronic imaging is employed for The very first time to characterise the flagellar movement of migrating sperm in lower and substantial viscosities, and displays in precise spatial and temporal element waveform evolution along theFlagellum.S?n ph?m ?ã ???c ch?ng minh an toàn khi s? d?ng trên nam gi?i, ch?a ghi nh?n tr??ng h?p n�