Resultماسالا طحن المطاحن الناقل · ماسالا المعدات كسارة موريشيوس . Alphathalassemia Wikipedia. Alphathalassemia (αthalassemia, αthalassaemia) is a form of thalassemia involving the genes HBA1 and HBA2 Alphathalassemia 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 …