Distinctive Regulatory T Cells and Altered Cytokine Profile Locally in the Airways of Young Smokers with Normal Lung Function. - Ostadkarampour, Mahyar; Müller, Malin; Öckinger, Johan; Kullberg, Susanna; Lindén, Anders; Eklund, Anders; Grunewald, Johan; Wahlström, Jan (PLoS ONE, 2016)