Schumacher, S., Kaun, C., Katsaros, K., Trøseid, M., Huber, K., Maurer, G., & Wojta, J. (2010). Association between smoking and presence of Mycoplasma pneumoniae in circulation leukocytes. Swiss Medical Weekly, 140(3940), w13105. https://doi.org/10.4414/smw.2010.13105