Evaluation of Apixaban standard dosing in underweight patients with non-valvular atrial fibrillation: a retrospective cohort study oleh Khalid Al Sulaiman, Ohoud Aljuhani, Hadeel Alkofide, Manal A. Aljohani, Hisham A. Badreldin, Mahasen Al Harbi, Ghalia Aquil, Raghad Alhajaji, Rahaf A. Alqahtani, Alaa Babonji, Maha Altuwayr, Asma A. Alshehri, Mashael Alfaifi, Abdullah F. Alharthi, Mohammed Alzahrani, Tareq Al Sulaiman, Nasser Alqahtani, Walaa A. Alshahrani, Abdulmalik Al Katheri, Abdulkareem M. Albekairy