{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,6]],"date-time":"2025-12-06T09:09:12Z","timestamp":1765012152422,"version":"3.46.0"},"reference-count":14,"publisher":"BMJ","issue":"3","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J Clin Pathol"],"published-print":{"date-parts":[[1962,5]]},"abstract":"<jats:p>A case resembling subacute bacterial endocarditis in which blood cultures were repeatedly negative is described. The patient had had an influenza-like illness nine months before admission to hospital followed by intervening vague illness and loss of weight.<\/jats:p>\n                  <jats:p>\n                    Serological tests revealed a high titre of complement-fixing antibodies to phase 1 and phase 2 antigens of\n                    <jats:italic>Rickettsia burneti.<\/jats:italic>\n                    After death\n                    <jats:italic>R. burneti<\/jats:italic>\n                    was isolated from the diseased aortic valve, liver, and kidneys.\n                  <\/jats:p>\n                  <jats:p>Bodies morphologically resembling rickettsiae were seen in the aortic valve and in a very few renal tubule cells. No specific pathological lesions were found but there was a widespread stimulation of reticulo-endothelial cells particularly in the aortic valve cusps, spleen, lymph nodes, and renal glomeruli.<\/jats:p>\n                  <jats:p>It is suggested that tests for Q fever should be carried out in suspected cases of subacute bacterial endocarditis when blood culture is negative.<\/jats:p>","DOI":"10.1136\/jcp.15.3.235","type":"journal-article","created":{"date-parts":[[2007,6,9]],"date-time":"2007-06-09T00:50:46Z","timestamp":1181350246000},"page":"235-241","source":"Crossref","is-referenced-by-count":23,"title":["Clinical, virological, and pathological findings in a fatal case of Q fever endocarditis"],"prefix":"10.1136","volume":"15","author":[{"given":"I. C.","family":"Ferguson","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"J. E.","family":"Craik","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"N. R.","family":"Grist","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[1962,5,1]]},"reference":[{"key":"ref_1","first-page":"173","volume":"66","author":"Abinanti, F.R.; Marmion, B.P.","year":"1957","unstructured":"Abinanti, F. R., and Marmion, B. P. (1957). Amer. J. Hyg., 66, 173.","journal-title":"Amer. J. Hyg"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"983","DOI":"10.1136\/bmj.2.5158.983","volume":"2","author":"Andrews, P.S.; Marmion, B.P.","year":"1959","unstructured":"Andrews, P. S., and Marmion, B. P. (1959). Brit. med. J., 2, 983.","journal-title":"Brit. med. J"},{"key":"ref_3","doi-asserted-by":"crossref","first-page":"155","DOI":"10.1001\/archinte.1951.03810100087008","volume":"88","author":"Evans, A.D.","year":"1951","unstructured":"Clark, W. 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