PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 32005679-5 2020 The EGFR inhibitor erlotinib decreased CD4+ effector regulatory T cells infiltration in the TME and in combination with anti-PD-1 mAb showed better antitumor effects than either treatment alone. erlotinib 19-28 CD4 molecule Homo sapiens 39-42