Ixef wis sin Tasleḍt n temsislit  Tawsa: [θawsa], timnaḍin n wammud-nneɣ sexdament awal-agi i d-yekkan s uzar (WS), s wazal n 15%, akken it-nnufa daɣen deg tantaliyin-nniḍen: - Tawsa: [θawsa], asg tiwsiwin [θiwsiwin], (WS), (rif), (SERHOUAL.M, 20012002).