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Should Controls With Respiratory Symptoms Be Excluded From Case-Control Studies of Pneumonia Etiology? Reflections From the PERCH Study.
Higdon MM, Hammitt LL, Deloria Knoll M, Baggett HC, Brooks WA, Howie SRC, Kotloff KL, Levine OS, Madhi SA, Murdoch DR, Scott JAG, Thea DM, Driscoll AJ, Karron RA, Park DE, Prosperi C, Zeger SL, O'Brien KL, Feikin DR; PERCH Study Group. Higdon MM, et al. Clin Infect Dis. 2017 Jun 15;64(suppl_3):S205-S212. doi: 10.1093/cid/cix076. Clin Infect Dis. 2017. PMID: 28575354 Free PMC article. Review.
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