Program: CLOCKSS
- Publisher: Medical Dept., Harper & Row
- Print ISSN: 0009-9201
- Electronic ISSN: 1532-5520
- OCLC Number:
- Summary Holdings: v.55-v.66 (2012-2023); Preprint (2013); Preprint (2014); Preprint (2015); Preprint (2016)
- Holdings Format: Digital