{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,19]],"date-time":"2026-06-19T12:13:09Z","timestamp":1781871189578,"version":"3.54.5"},"reference-count":0,"publisher":"Oxford University Press (OUP)","issue":"5","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Int J Epidemiol"],"published-print":{"date-parts":[[1993]]},"DOI":"10.1093\/ije\/22.5.878","type":"journal-article","created":{"date-parts":[[2007,1,4]],"date-time":"2007-01-04T12:31:02Z","timestamp":1167913862000},"page":"878-884","source":"Crossref","is-referenced-by-count":41,"title":["Occupational Physical Activity and the Occurrence of Spontaneous Abortion"],"prefix":"10.1093","volume":"22","author":[{"given":"ELLIE I M","family":"FLORACK","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"GERHARD A","family":"ZIELHUIS","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"JOHANNA E M C","family":"PELLEGRINO","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"RUNE","family":"ROLLAND","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"286","container-title":["International Journal of Epidemiology"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/academic.oup.com\/ije\/article-pdf\/22\/5\/878\/2201441\/22-5-878.pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2017,8,23]],"date-time":"2017-08-23T03:38:49Z","timestamp":1503459529000},"score":1,"resource":{"primary":{"URL":"https:\/\/academic.oup.com\/ije\/article-lookup\/doi\/10.1093\/ije\/22.5.878"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1993]]},"references-count":0,"journal-issue":{"issue":"5","published-print":{"date-parts":[[1993]]}},"URL":"https:\/\/doi.org\/10.1093\/ije\/22.5.878","relation":{},"ISSN":["0300-5771","1464-3685"],"issn-type":[{"value":"0300-5771","type":"print"},{"value":"1464-3685","type":"electronic"}],"subject":[],"published":{"date-parts":[[1993]]}}}