{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T02:06:22Z","timestamp":1787018782880,"version":"build-2736575974"},"reference-count":17,"publisher":"SAGE Publications","issue":"7","license":[{"start":{"date-parts":[[2020,7,1]],"date-time":"2020-07-01T00:00:00Z","timestamp":1593561600000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"funder":[{"name":"Medical University Plovdiv","award":["\u0414\u041f-02\/2013."],"award-info":[{"award-number":["\u0414\u041f-02\/2013."]}]}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["J Int Med Res"],"published-print":{"date-parts":[[2020,7]]},"abstract":"\n Purpose<\/jats:title>\n To investigate serum vitamin D levels in patients newly diagnosed with non-Hodgkin lymphoma\/diffuse large B-cell lymphoma (NHL-DLBCL), multiple myeloma (MM) and chronic lymphocytic leukemia (CLL).<\/jats:p>\n <\/jats:sec>\n \n Patients and methods<\/jats:title>\n We measured serum levels of vitamin D by ELISA in 103 patients prior to initiation of treatment, of whom 37 were diagnosed with MM, 32 with CLL and 34 with NHL-DLBCL.<\/jats:p>\n <\/jats:sec>\n \n Results<\/jats:title>\n Suboptimal serum vitamin D levels (<30 ng\/mL) were observed in all 103 patients. In 14 patients, serum vitamin D levels were between 20 and 30 ng\/mL, while all other patients had vitamin D deficiency (<20 ng\/mL). Severe vitamin D deficiency (<10 ng\/mL) was observed in 32.3% of NHL-DLBCL patients, 28.1% of CLL patients and 81% of MM patients.<\/jats:p>\n <\/jats:sec>\n \n Conclusion<\/jats:title>\n We observed low serum vitamin D levels in the majority of patients newly diagnosed with NHL-DLBCL, CLL and MM.<\/jats:p>\n <\/jats:sec>","DOI":"10.1177\/0300060520943421","type":"journal-article","created":{"date-parts":[[2020,7,29]],"date-time":"2020-07-29T00:15:16Z","timestamp":1595981716000},"update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":17,"title":["Vitamin D levels in patients with non-Hodgkin lymphoma\/diffuse large B-cell lymphoma, chronic lymphocytic leukemia and multiple myeloma"],"prefix":"10.1177","volume":"48","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7059-1411","authenticated-orcid":false,"given":"Vasko","family":"Graklanov","sequence":"first","affiliation":[{"name":"First Department of Internal Diseases, Medical University of Plovdiv, Clinical Hematology Clinic, St. George University Hospital for Active Treatment, Plovdiv, Bulgaria"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Veselin","family":"Popov","sequence":"additional","affiliation":[{"name":"Department of Clinical Oncology, Medical University of Plovdiv, Radiation Treatment Clinic, St. George University Hospital for Active Treatment, Plovdiv, Bulgaria"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2020,7,28]]},"reference":[{"key":"bibr1-0300060520943421","doi-asserted-by":"publisher","DOI":"10.1210\/er.2004-0002"},{"key":"bibr2-0300060520943421","doi-asserted-by":"publisher","DOI":"10.1056\/NEJMra070553"},{"key":"bibr3-0300060520943421","doi-asserted-by":"publisher","DOI":"10.1038\/nrd1283"},{"key":"bibr4-0300060520943421","doi-asserted-by":"publisher","DOI":"10.1093\/ajcn\/80.6.1689S"},{"key":"bibr5-0300060520943421","doi-asserted-by":"publisher","DOI":"10.1016\/S0378-1119(00)00052-4"},{"key":"bibr6-0300060520943421","doi-asserted-by":"publisher","DOI":"10.1002\/jcb.10423"},{"key":"bibr7-0300060520943421","doi-asserted-by":"publisher","DOI":"10.1210\/jc.2011-0385"},{"key":"bibr8-0300060520943421","doi-asserted-by":"publisher","DOI":"10.1080\/07315724.2003.10719287"},{"key":"bibr9-0300060520943421","doi-asserted-by":"publisher","DOI":"10.1007\/s001980050030"},{"key":"bibr10-0300060520943421","doi-asserted-by":"publisher","DOI":"10.1016\/j.mayocp.2013.05.011"},{"key":"bibr11-0300060520943421","doi-asserted-by":"publisher","DOI":"10.1093\/jnci\/djj101"},{"key":"bibr12-0300060520943421","doi-asserted-by":"publisher","DOI":"10.1002\/ijc.23984"},{"key":"bibr13-0300060520943421","doi-asserted-by":"publisher","DOI":"10.1002\/ijc.23003"},{"key":"bibr14-0300060520943421","doi-asserted-by":"publisher","DOI":"10.1016\/j.ejca.2012.11.001"},{"key":"bibr15-0300060520943421","doi-asserted-by":"publisher","DOI":"10.1002\/cam4.1166"},{"key":"bibr16-0300060520943421","doi-asserted-by":"publisher","DOI":"10.1016\/j.leukres.2011.10.004"},{"key":"bibr17-0300060520943421","doi-asserted-by":"publisher","DOI":"10.1002\/ajh.21412"}],"container-title":["Journal of International Medical Research"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.1177\/0300060520943421","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.sagepub.com\/doi\/full-xml\/10.1177\/0300060520943421","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.1177\/0300060520943421","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,4,29]],"date-time":"2026-04-29T10:47:25Z","timestamp":1777459645000},"score":1,"resource":{"primary":{"URL":"https:\/\/journals.sagepub.com\/doi\/10.1177\/0300060520943421"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2020,7]]},"references-count":17,"journal-issue":{"issue":"7","published-print":{"date-parts":[[2020,7]]}},"alternative-id":["10.1177\/0300060520943421"],"URL":"https:\/\/doi.org\/10.1177\/0300060520943421","relation":{},"ISSN":["0300-0605","1473-2300"],"issn-type":[{"value":"0300-0605","type":"print"},{"value":"1473-2300","type":"electronic"}],"subject":[],"published":{"date-parts":[[2020,7]]},"article-number":"0300060520943421"}}