[1]
U. B. Buchari, A. M. Muhar, and A. ., “The CEA Value Based on Age, Location and Histopathology Degree of Tumor Factors in Colorectal Cancer Patients at Haji Adam Malik General Hospital Medan in 2011-2015”, ijmsci, vol. 5, no. 5, pp. 3848–3851, May 2018.