oaDOI/unpaywall (OA fulltext)
Crossref Metadata (via API)
Worldcat
SHERPA/RoMEO (journal policies)
wikidata.org
CORE.ac.uk
Semantic Scholar
Google Scholar
British Medical Journal
release_6kclev3rdbfubovaqaarjozrby
Archived Files and Locations
457.5 kB
file_5txqia6ywne6nlkix7tuofgfia
|
archive.org (repository) |
application/pdf
457.0 kB
file_sib5cy3xljfg3jxsi4wzqgm6sq
|
europepmc.org (repository) web.archive.org (webarchive) |
Read Archived PDF
Preserved and Accessible
Work Entity
access all versions, variants, and formats of this works (eg, pre-prints)
access all versions, variants, and formats of this works (eg, pre-prints)
Lookup Links