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Lappalainen MH, Hyvärinen A, Hirvonen MR, Rintala H, Roivainen J, Renz H, Pfefferle PI, Nevalainen A, Roponen M, Pekkanen J. High indoor microbial levels are associated with reduced Th1 cytokine secretion capacity in infancy. Int Arch Allergy Immunol. 2012;159(2):194–203. doi: 10.1159/000335596. PMID: 22678428. |