{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,8]],"date-time":"2025-10-08T16:27:19Z","timestamp":1759940839157},"reference-count":0,"publisher":"Springer Science and Business Media LLC","issue":"1","license":[{"start":{"date-parts":[[2001,10,3]],"date-time":"2001-10-03T00:00:00Z","timestamp":1002067200000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/www.springer.com\/tdm"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Eur J Appl Physiol"],"published-print":{"date-parts":[[2001,11]]},"DOI":"10.1007\/s004210100501","type":"journal-article","created":{"date-parts":[[2007,11,27]],"date-time":"2007-11-27T13:57:42Z","timestamp":1196171862000},"page":"92-96","source":"Crossref","is-referenced-by-count":15,"title":["Beta-endorphin immunoreactivity during high-intensity exercise with and without opiate blockade"],"prefix":"10.1007","volume":"86","author":[{"given":"Theodore J.","family":"Angelopoulos","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2001,10,3]]},"container-title":["European Journal of Applied Physiology"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/s004210100501.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/article\/10.1007\/s004210100501\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/s004210100501","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2019,5,28]],"date-time":"2019-05-28T16:32:14Z","timestamp":1559061134000},"score":1,"resource":{"primary":{"URL":"http:\/\/link.springer.com\/10.1007\/s004210100501"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2001,10,3]]},"references-count":0,"journal-issue":{"issue":"1","published-print":{"date-parts":[[2001,11]]}},"alternative-id":["501"],"URL":"https:\/\/doi.org\/10.1007\/s004210100501","relation":{},"ISSN":["1439-6319","1439-6327"],"issn-type":[{"value":"1439-6319","type":"print"},{"value":"1439-6327","type":"electronic"}],"subject":[],"published":{"date-parts":[[2001,10,3]]}}}