Full text of ACP has been archived in PubMed Central (https://www.ncbi.nlm.nih.gov/pmc/journals/2062/) and National Library of Korea (http://www.nl.go.kr) from the 26th volume, 2010. Authors can archive publisher's version/PDF. ACP provides the electronic backup and preservation of access to the journal content in the event the journal is no longer published by archiving in PubMed Central and National Library of Korea.