EVALUATION OF CARCINO EMBRYONIC ANTIGEN (CEA) AND CARBOHYDRATE ANTIGEN (CA19-9) IN MONITORING OF TREATMENT RESPONSE IN GASTROINTESTINAL CANCERS Journal title: Journal of Evolution of Medical and Dental Sciences Authors: Rosemary Vumkhoching, Yengkhom Sanatomba Singh, Dhanabir Thangjam, Ningombam Jitendra Subject(s):
