Analysis of Cardiovascular and Relevant Co-morbid Conditions in Hospitalized COPD Patients With Vitamin B12 Deficiency: A Nationwide Retrospective Study
Authors: A.B.M.N. Alam, F. Akter, O. Barua, F.B.A. Oeshe, F. Masud, M.N. Khanam, P. Dey, T. Siam, H.T. Noor