Kuehn, Anna, Stephanie Kletting, Cristiane de Souza Carvalho-Wodarz, Urska Repnik, Gareth Griffiths, Ulrike Fischer, Eckart Meese, Hanno Huwer, Dagmar Wirth, Tobias May, Nicole Schneider-Daum, and Claus-Michael Lehr. “Human Alveolar Epithelial Cells Expressing Tight Junctions to Model the Air-Blood Barrier”. ALTEX - Alternatives to animal experimentation 33, no. 3 (August 1, 2016): 251–260. Accessed December 6, 2022. https://www.altex.org/index.php/altex/article/view/155.