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Science 30 March 1979:
Vol. 203. no. 4387, p. 1293
DOI: 10.1126/science.203.4387.1293-b
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Erratum

Because of a printer's error, a line was dropped from the letter by Robert W. Berliner (16 Mar., p. 1066). The third sentence in the third paragraph should have read, "Schools of medicine have large fixed costs that do not vary with the number of students...."

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