SANTOSO, D. I. S., A. K. MURTHI, S. YOLANDA, P. AMANI, I. UJIANTI, and I. R. SIANIPAR. “THE IMPACT OF COBALAMIN DEFICIENCY ON HEART FUNCTION; A STUDY ON ABNORMALITIES IN ELECTROCARDIOGRAPHY PATTERNS”. International Journal of Applied Pharmaceutics, vol. 11, no. 6, Dec. 2019, pp. 33-36, doi:10.22159/ijap.2019.v11s6.33533.