ماسالا المعدات كسارة موريشيوس
ماسالا المعدات كسارة موريشيوس . Alpha-thalassemia - Wikipedia. Alpha-thalassemia (α-thalassemia, α-thalassaemia) is a form of thalassemia involving the genes HBA1 and HBA2 Alpha-thalassemia is due to impaired production of alpha chains from 1, 2, 3, or all 4 of the alpha globin genes, leading to a relative excess of beta globin chains The degree of impairment is ...