{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,4]],"date-time":"2026-05-04T20:32:02Z","timestamp":1777926722880,"version":"3.51.4"},"reference-count":0,"publisher":"S. Karger AG","license":[{"start":{"date-parts":[[2009,9,24]],"date-time":"2009-09-24T00:00:00Z","timestamp":1253750400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/karger.com\/pages\/terms-and-conditions"},{"start":{"date-parts":[[2009,9,24]],"date-time":"2009-09-24T00:00:00Z","timestamp":1253750400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/karger.com\/pages\/terms-and-conditions"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Biol Neonate"],"abstract":"<jats:p>We attempted to analyze the physiological meaning of abnormally low thyroid hormones in low birth weight (LBW) infants on the basis of cross-sectional data on free triiodothyronine (free T&lt;sub&gt;3&lt;\/sub&gt;) and T&lt;sub&gt;3&lt;\/sub&gt; in addition to the other thyroid hormones. In LBW infants, the levels of free T&lt;sub&gt;3&lt;\/sub&gt; and T&lt;sub&gt;3&lt;\/sub&gt; were lower than those of normal infants, similar to the relation between free thyroxine (free T&lt;sub&gt;4&lt;\/sub&gt;) and T&lt;sub&gt;4&lt;\/sub&gt;. The ratio of free T&lt;sub&gt;3&lt;\/sub&gt;\/T&lt;sub&gt;3&lt;\/sub&gt; or free T&lt;sub&gt;4&lt;\/sub&gt;\/T&lt;sub&gt;4&lt;\/sub&gt;, however, was not different between the groups. The levels of thyroid-stimulating hormone, thyroid hormone-binding globulin and reversed T&lt;sub&gt;3&lt;\/sub&gt; in LBW infants were not significantly different from those of normal infants.<\/jats:p>","DOI":"10.1159\/000242191","type":"journal-article","created":{"date-parts":[[2009,9,28]],"date-time":"2009-09-28T08:24:24Z","timestamp":1254126264000},"page":"341-345","source":"Crossref","is-referenced-by-count":3,"title":["Reevaluation of Thyroid Function in Low Birth Weight Infants Based on Free Triiodothyronine and Triiodothyronine"],"prefix":"10.1159","author":[{"given":"Kanji","family":"Nagashima","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kimiyo","family":"Onoda","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shigeyoshi","family":"Suzuki","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Masao","family":"Sakaguchi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Takayoshi","family":"Kuroume","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"127","published-online":{"date-parts":[[2009,9,24]]},"container-title":["Biology of the Neonate"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.karger.com\/Article\/Pdf\/242191","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/karger.com\/article-pdf\/doi\/10.1159\/000242191","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,5,1]],"date-time":"2026-05-01T22:19:12Z","timestamp":1777673952000},"score":1,"resource":{"primary":{"URL":"https:\/\/karger.com\/article\/doi\/10.1159\/000242191"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2009,9,24]]},"references-count":0,"URL":"https:\/\/doi.org\/10.1159\/000242191","archive":["Portico"],"relation":{},"ISSN":["0006-3126","1421-9727"],"issn-type":[{"value":"0006-3126","type":"print"},{"value":"1421-9727","type":"electronic"}],"subject":[],"published":{"date-parts":[[2009,9,24]]}}}