Image caption on page 83 of the book US National Library of Medicine: "This arial view of the library, ca. 1968, shows the National Institutes of Health Building #41, in the immediate background, and beyond are apartment buildings in Bethesda. Upon its completion in 1969, building #41 housed laboratories for the study of cancer. The building remains in use today by the National Cancer Institute, one of the twenty seven institutes and centers that comprise the National Institutes of Health."
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