PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 34546328-2 2021 The aim of this study was to evaluate the risk of metachronous multiple HNSCC arising after TOS based on alcohol dehydrogenase 1B (ADH1B) and aldehyde dehydrogenase 2 (ALDH2). tos 92-95 aldehyde dehydrogenase 2 family member Homo sapiens 142-166 34546328-2 2021 The aim of this study was to evaluate the risk of metachronous multiple HNSCC arising after TOS based on alcohol dehydrogenase 1B (ADH1B) and aldehyde dehydrogenase 2 (ALDH2). tos 92-95 aldehyde dehydrogenase 2 family member Homo sapiens 168-173