Cadaalad-darrada la dareemo waxay keentaa Cadaadis Maskaxeed oo Muddo-dheer ah, ayay Yiraahdeen Cilmi-baarayaal
Daraasad Israa'iili waxay muujisay in dareenka caddaalad-darrada uu sababo walaac nafsi ah oo waqti dheer ah, taasoo sharaxaysa sababta dhaawaca maskaxeed uu u sii jiro dad badan. Jaamacadda Cibraaniga ayaa la socotay 1,700 qof.