In the Original Investigation titled "Changes in Resource Use and Outcomes for Patients With Migraine Treated With Sumatriptan," published in the April 26 issue of the ARCHIVES (1999;159:857-863), several errors were inadvertently printed. The corrections appear below, with corrected terms in italic typeface.
Errors in Chronology. On page 859, the third sentence in the first paragraph of the "Medical Claims" subsection of "Health Care Resource Use" should have read as follows:
Errors in Article. Arch Intern Med. 1999;159(18):2228. doi:10.1001/archinte.159.18.2228