| 单词 | baltimore washington infant study |
| 释义 | Baltimore Washington Infant StudyBaltimore Washington Infant StudyA regional epidemiologic study of congenital heart disease; BWIS identified 664 infants in the region in the 1981–1982 survey years by echocardiography, cardiac catheterisation, cardiac surgery or autopsy, for a total adjusted rate of 4/1000 live births |
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