Bucchieri, F., F. Cappello, A. Fucarino, A. Pitruzzella, S. David, R. Marchese, G. Paglino, F. Farina, G. Zummo, S. Holgate, and D. Davies. “An Ex Vivo Model of the Human Airways to Study the Effects of Long-Term Exposure to Space Conditions”. Italian Journal of Anatomy and Embryology, vol. 120, no. 1, Sept. 2015, p. 92, https://oajournals.fupress.net/index.php/ijae/article/view/4046.