The full text of Annals of Coloproctology (ACP) has been archived in PubMed Central (https://www.ncbi.nlm.nih.gov/pmc/journals/2062/) and the National Library of Korea (https://nl.go.kr/) since 2010 (from the 26th volume). ACP ensures the long-term availability of its contents, even if the journal is no longer in publication, through archiving in PubMed Central, Korea Citation Index (https://www.kci.go.kr/), and the National Library of Korea.