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—An error occurred in the Original Contribution entitled "Changes Over Time in the Knowledge Base of Practicing Internists," published in the August 28 issue of The Journal (1991;266:1103-1107). In Fig 3 on page 1105, the diamond and circle symbols for 1983 were transposed. The figure should have appeared as below:
Error in Figure.. JAMA. 1991;266(22):3131. doi:10.1001/jama.1991.03470220047024