PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 27780269-0 2016 Comparative Assessment of Vitamin-B12, Folic Acid and Homocysteine Levels in Relation to p53 Expression in Megaloblastic Anemia. Vitamin B 12 26-37 tumor protein p53 Homo sapiens 89-92