Daɣ farak eynayan eɣran daɣ JAMA Network Open, inumɣan n Amrik ijjan farak fal tartit jir azruf wan assexat d ittusan n assexat n ichaɣib daɣ Amrik ijrawan as azruf wan assexat osaɣan id iddikud n talɣa n assexat d tamattant n tamattant d tamattant daɣ ichaɣib