PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 21534035-3 2011 CBG also significantly increased CD4(+)CD8(+) double-positive T-cell populations and the percentage of S-phase cells of splenic lymphocytes. cinobufagin 0-3 CD8a molecule Homo sapiens 39-42