{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,16]],"date-time":"2025-11-16T20:16:15Z","timestamp":1763324175501,"version":"3.45.0"},"reference-count":0,"publisher":"BMJ","issue":"5698","license":[{"start":{"date-parts":[[1970,3,21]],"date-time":"1970-03-21T00:00:00Z","timestamp":6825600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/www.bmj.com\/company\/legal-information\/terms-conditions\/legal-information\/tdm-licencepolicy"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Br Med J"],"published-print":{"date-parts":[[1970,3,21]]},"abstract":"<jats:p>\n                    Fourteen elderly patients aged 58 to 91 with varying leucocyte ascorbic acid levels had urinary hydroxyproline\/creatinine ratios measured before, during, and after treatment with ascorbic acid 1 g. daily for six days. The ratio increased during treatment in those patients whose initial ascorbic acid levels were below 15\u03bcg.\/10\n                    <jats:sup>8<\/jats:sup>\n                    white blood cells. It is suggested that collagen metabolism may be impaired in these patients, and that all such patients should receive ascorbic acid supplements.\n                  <\/jats:p>","DOI":"10.1136\/bmj.1.5698.732","type":"journal-article","created":{"date-parts":[[2009,4,2]],"date-time":"2009-04-02T07:02:10Z","timestamp":1238655730000},"page":"732-733","source":"Crossref","is-referenced-by-count":20,"title":["Urinary Hydroxyproline in the Elderly with Low Leucocyte Ascorbic Acid Levels"],"prefix":"10.1136","volume":"1","author":[{"given":"A. C. W.","family":"Windsor","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"C. B.","family":"Williams","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[1970,3,21]]},"container-title":["BMJ"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/data.bmj.org\/tdm\/10.1136\/bmj.1.5698.732","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/syndication.highwire.org\/content\/doi\/10.1136\/bmj.1.5698.732","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,11,16]],"date-time":"2025-11-16T20:11:49Z","timestamp":1763323909000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.bmj.com\/lookup\/doi\/10.1136\/bmj.1.5698.732"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1970,3,21]]},"references-count":0,"journal-issue":{"issue":"5698","published-online":{"date-parts":[[1970,3,21]]},"published-print":{"date-parts":[[1970,3,21]]}},"alternative-id":["10.1136\/bmj.1.5698.732"],"URL":"https:\/\/doi.org\/10.1136\/bmj.1.5698.732","relation":{},"ISSN":["0007-1447","1468-5833"],"issn-type":[{"type":"print","value":"0007-1447"},{"type":"electronic","value":"1468-5833"}],"subject":[],"published":{"date-parts":[[1970,3,21]]}}}