{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,5]],"date-time":"2025-10-05T04:16:48Z","timestamp":1759637808299},"reference-count":23,"publisher":"BMJ","issue":"3","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Heart"],"published-print":{"date-parts":[[1972,3,1]]},"DOI":"10.1136\/hrt.34.3.289","type":"journal-article","created":{"date-parts":[[2007,9,18]],"date-time":"2007-09-18T21:46:00Z","timestamp":1190151960000},"page":"289-294","source":"Crossref","is-referenced-by-count":7,"title":["Racial incidence of coarctation of aorta."],"prefix":"10.1136","volume":"34","author":[{"given":"R L","family":"Van der Horst","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M S","family":"Gotsman","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","reference":[{"key":"ref_1","article-title":"has been analysed and the results are given in Table 4. The racial distribution and the ages of the 33 patients with coarctation are shown in the Fig. Of the 33 patients, i6 were White, 4 were Coloured, 7 were Indian, and 6 were Bantu: patients with aortic arteritis are excluded. Details are shown in Table 5. From these data, it appears that coarctation of the aorta is most common in White subjects, and an analysis of the age spectrum of the patients shows that no African patient with this lesion was studied before the age of i8 months","unstructured":"has been analysed and the results are given in Table 4. The racial distribution and the ages of the 33 patients with coarctation are shown in the Fig. Of the 33 patients, i6 were White, 4 were Coloured, 7 were Indian, and 6 were Bantu: patients with aortic arteritis are excluded. Details are shown in Table 5. From these data, it appears that coarctation of the aorta is most common in White subjects, and an analysis of the age spectrum of the patients shows that no African patient with this lesion was studied before the age of i8 months."},{"key":"ref_2","author":"American Heart Association","unstructured":"American Heart Association, New York."},{"key":"ref_3","first-page":"650","article-title":"Heart disease in Africa, with particular reference to Southern Africa","volume":"3","unstructured":"Heart disease in Africa, with particular reference to Southern Africa. American Journal of Cardiology, I3, 650.","journal-title":"American Journal of Cardiology"},{"key":"ref_4","doi-asserted-by":"crossref","first-page":"766","DOI":"10.1136\/hrt.28.6.766","article-title":"Congenital heart disease in Ugandan children","volume":"28","author":"Caddell, J.L.; Connor, D.H.","year":"1966","unstructured":"Caddell, J. L., and Connor, D. H. 1966. Congenital heart disease in Ugandan children. 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