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The following independent variables were associated with no free intervals: being single or divorced, delay to mood stabilizer treatment, multiple hospitalizations, incongruent psychotic features, panic and generalized anxiety disorder.<\/jats:p><\/jats:sec><jats:sec id=\"S0924933800069662_abs4\" sec-type=\"conclusions\"><jats:title>Conclusions<\/jats:title><jats:p>\u201cFolie \u00e0 double forme\u201d (without free intervals) and \u201cfolie circulaire\u201d (with free intervals) may actually refer to early and later onset bipolar subtypes, insofar as most differences we found between them were previously evidenced between the latter two. We cannot, however, exclude that they might simply be two separate subtypes, whose main characteristics could be accounted for by different explanatory factors.<\/jats:p><\/jats:sec>","DOI":"10.1016\/j.eurpsy.2009.12.025","type":"journal-article","created":{"date-parts":[[2010,7,9]],"date-time":"2010-07-09T08:27:59Z","timestamp":1278664079000},"page":"375-380","source":"Crossref","is-referenced-by-count":9,"title":["\u201cFolie circulaire\u201d vs \u201cFolie \u00e0 double forme\u201d: Contribution from a French national study"],"prefix":"10.1017","volume":"26","author":[{"given":"J.-M.","family":"Azorin","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"A.","family":"Kaladjian","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"N.","family":"Besnier","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"M.","family":"Adida","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"E.-G.","family":"Hantouche","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"S.","family":"Lancrenon","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"H.","family":"Akiskal","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"56","published-online":{"date-parts":[[2020,4,16]]},"reference":[{"key":"S0924933800069662_bib25","first-page":"24","article-title":"\u00c9valuation des temp\u00e9raments affectifs\u00a0: version compl\u00e8te des outils d\u2019auto-\u00e9valuation.","volume":"27","author":"Hantouche","year":"2001","journal-title":"Encephale"},{"key":"S0924933800069662_bib27","doi-asserted-by":"publisher","DOI":"10.1001\/archpsyc.59.6.530"},{"key":"S0924933800069662_bib21","doi-asserted-by":"crossref","first-page":"1635","DOI":"10.1176\/ajp.152.11.1635","article-title":"Relapse and impairment in bipolar disorder.","volume":"152","author":"Gitlin","year":"1995","journal-title":"Am J Psychiatry"},{"key":"S0924933800069662_bib24","doi-asserted-by":"publisher","DOI":"10.1176\/appi.ajp.2008.07040574"},{"key":"S0924933800069662_bib29","doi-asserted-by":"publisher","DOI":"10.1001\/jama.1986.03370220100035"},{"key":"S0924933800069662_bib18","volume-title":"Le\u00e7ons cliniques de m\u00e9decine mentale.","author":"Falret","year":"1854"},{"key":"S0924933800069662_bib32","doi-asserted-by":"publisher","DOI":"10.1001\/archpsyc.60.2.145"},{"key":"S0924933800069662_bib7","doi-asserted-by":"publisher","DOI":"10.1016\/j.jad.2004.08.012"},{"key":"S0924933800069662_bib30","doi-asserted-by":"publisher","DOI":"10.1001\/archpsyc.1992.01820050035005"},{"key":"S0924933800069662_bib45","doi-asserted-by":"publisher","DOI":"10.1001\/archpsyc.55.1.49"},{"key":"S0924933800069662_bib33","doi-asserted-by":"publisher","DOI":"10.1111\/j.1399-5618.2006.00369.x"},{"key":"S0924933800069662_bib52","doi-asserted-by":"publisher","DOI":"10.1176\/appi.ajp.157.2.220"},{"key":"S0924933800069662_bib26","doi-asserted-by":"publisher","DOI":"10.1016\/j.jad.2006.09.014"},{"key":"S0924933800069662_bib43","doi-asserted-by":"publisher","DOI":"10.1016\/S0165-0327(01)00306-8"},{"key":"S0924933800069662_bib53","doi-asserted-by":"publisher","DOI":"10.1007\/s004060170061"},{"key":"S0924933800069662_bib2","doi-asserted-by":"publisher","DOI":"10.1016\/S0165-0327(00)00203-2"},{"key":"S0924933800069662_bib8","unstructured":"[8] Baillarger, JGF . 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