Abdullah Khan, Shahida Hasan Memon, Rukhsana Saboor, Aneeb Mengal, Naila Memon, Muhammad Ali Soomro6, Kiran Aamir, Aamir Ramzan. Prevalence of Serum Vitamin-B12 Level and Its Association Among the Patients of Transient Ischemic Attack/Ischemic Stroke. Pakistan Journal of Medical & Health Sciences 2023, 17, 591.