{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,1]],"date-time":"2026-10-01T20:24:49Z","timestamp":1790886289699,"version":"4.1.0"},"reference-count":0,"publisher":"Cambridge University Press (CUP)","issue":"4","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["twin res"],"published-print":{"date-parts":[[2000,12,1]]},"DOI":"10.1375\/136905200320565148","type":"journal-article","created":{"date-parts":[[2003,9,10]],"date-time":"2003-09-10T17:06:55Z","timestamp":1063213615000},"page":"189-201","source":"Crossref","is-referenced-by-count":33,"title":["Seasonal variation of livebirths, stillbirths, extramarital births and twin maternities in Switzerland"],"prefix":"10.1017","volume":"3","author":[{"given":"Aldur W","family":"Eriksson","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Johan","family":"Fellman","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"56","container-title":["Twin Research (2000)"],"original-title":[],"language":"en","deposited":{"date-parts":[[2015,6,25]],"date-time":"2015-06-25T20:57:30Z","timestamp":1435265850000},"score":1,"resource":{"primary":{"URL":"http:\/\/journals.cambridge.org\/abstract_S1369052300001276"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2000,12,1]]},"references-count":0,"journal-issue":{"issue":"4","published-print":{"date-parts":[[2000,12,1]]}},"alternative-id":["1369-0523(20001201)3:4L.189;1-"],"URL":"https:\/\/doi.org\/10.1375\/136905200320565148","relation":{},"ISSN":["1369-0523","0000-0000"],"issn-type":[{"value":"1369-0523","type":"print"},{"value":"0000-0000","type":"electronic"}],"subject":[],"published":{"date-parts":[[2000,12,1]]}}}