{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,6]],"date-time":"2026-06-06T09:01:32Z","timestamp":1780736492206,"version":"3.54.1"},"reference-count":0,"publisher":"Journal of Neurosurgery Publishing Group (JNSPG)","issue":"4","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2021,10]]},"DOI":"10.3171\/2021.7.focus21437","type":"journal-article","created":{"date-parts":[[2021,10,1]],"date-time":"2021-10-01T07:41:48Z","timestamp":1633074108000},"page":"E1","source":"Crossref","is-referenced-by-count":0,"title":["Introduction. Ankylosing spondylitis"],"prefix":"10.3171","volume":"51","author":[{"given":"Doniel","family":"Drazin","sequence":"first","affiliation":[{"name":"College of Medicine, Pacific Northwest University of Health Sciences, Yakima, Washington;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"J. Patrick","family":"Johnson","sequence":"additional","affiliation":[{"name":"Cedars-Sinai Medical Center, Spine Institute, Los Angeles, California;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tiffany","family":"Perry","sequence":"additional","affiliation":[{"name":"Cedars-Sinai Medical Center, Department of Neurosurgery, Los Angeles, California;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Michael Y.","family":"Wang","sequence":"additional","affiliation":[{"name":"Department of Neurological Surgery, University of Miami Miller School of Medicine, Miami, Florida;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jens R.","family":"Chapman","sequence":"additional","affiliation":[{"name":"Swedish Neuroscience Institute, Seattle, Washington; and"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bernhard","family":"Meyer","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, School of Medicine, Klinikum Rechts der Isar, Technical University of Munich, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1754","container-title":["Neurosurgical Focus"],"original-title":[],"link":[{"URL":"https:\/\/thejns.org\/view\/journals\/neurosurg-focus\/51\/4\/article-pE1.xml","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/thejns.org\/downloadpdf\/journals\/neurosurg-focus\/51\/4\/article-pE1.xml","content-type":"text\/html","content-version":"vor","intended-application":"syndication"},{"URL":"https:\/\/thejns.org\/downloadpdf\/journals\/neurosurg-focus\/51\/4\/article-pE1.xml","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,6,6]],"date-time":"2026-06-06T08:25:30Z","timestamp":1780734330000},"score":1,"resource":{"primary":{"URL":"https:\/\/thejns.org\/view\/journals\/neurosurg-focus\/51\/4\/article-pE1.xml"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2021,10]]},"references-count":0,"journal-issue":{"issue":"4"},"URL":"https:\/\/doi.org\/10.3171\/2021.7.focus21437","relation":{},"ISSN":["1092-0684"],"issn-type":[{"value":"1092-0684","type":"electronic"}],"subject":[],"published":{"date-parts":[[2021,10]]}}}