{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,5]],"date-time":"2026-10-05T18:28:35Z","timestamp":1791224915591,"version":"4.1.0"},"reference-count":0,"publisher":"Springer Science and Business Media LLC","issue":"4","license":[{"start":{"date-parts":[[1998,2,18]],"date-time":"1998-02-18T00:00:00Z","timestamp":887760000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/www.springer.com\/tdm"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Psychopharmacology"],"published-print":{"date-parts":[[1998,2,18]]},"DOI":"10.1007\/s002130050530","type":"journal-article","created":{"date-parts":[[2002,8,25]],"date-time":"2002-08-25T07:47:25Z","timestamp":1030261645000},"page":"416-422","source":"Crossref","is-referenced-by-count":121,"title":["Pre-exposure of rats to amphetamine sensitizes self-administration of this drug under a progressive ratio schedule"],"prefix":"10.1007","volume":"135","author":[{"given":"Adrianna","family":"Mendrek","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Charles D.","family":"Blaha","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"A. G.","family":"Phillips","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","container-title":["Psychopharmacology"],"original-title":[],"link":[{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/s002130050530.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/article\/10.1007\/s002130050530\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/s002130050530","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2019,5,23]],"date-time":"2019-05-23T20:24:11Z","timestamp":1558643051000},"score":1,"resource":{"primary":{"URL":"http:\/\/link.springer.com\/10.1007\/s002130050530"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1998,2,18]]},"references-count":0,"journal-issue":{"issue":"4","published-print":{"date-parts":[[1998,2,18]]}},"alternative-id":["KH95BMGXTRRKKE88"],"URL":"https:\/\/doi.org\/10.1007\/s002130050530","relation":{},"ISSN":["0033-3158","1432-2072"],"issn-type":[{"value":"0033-3158","type":"print"},{"value":"1432-2072","type":"electronic"}],"subject":[],"published":{"date-parts":[[1998,2,18]]}}}