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Carson AP, Rose KM, Sanford CP, Ephross SA, Stang PE, Hunt KJ, Brown CA, Szklo M.Carson AP, et al. Among authors: hunt kj.Headache. 2004 Jan;44(1):20-8. doi: 10.1111/j.1526-4610.2004.04005.x.Headache. 2004.PMID: 14979879