Readers should cite both the Bio-protocol preprint and the original research article where this protocol was used:

Jin, Q, Gracias, D and Romer, L(2021). Cell lines and in vitro culture conditions. Bio-protocol Preprint. bio-protocol.org/prep757.
Jin, Q., Bhatta, A., Pagaduan, J. V., Chen, X., West-Foyle, H., Liu, J., Hou, A., Berkowitz, D., Kuo, S. C., Askin, F. B., Nguyen, T. D., Gracias, D. H. and Romer, L. H.(2020). Biomimetic human small muscular pulmonary arteries . Science Advances 6(13). DOI: 10.1126/sciadv.aaz2598