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

Gao, Y and Wang, S y(2020). Preparation and characterization of nanomedicine-shelled microbubbles. Bio-protocol Preprint. bio-protocol.org/prep445.
Wang, S., Guo, X., Xiu, W., Liu, Y., Ren, L., Xiao, H., Yang, F., Gao, Y., Xu, C. and Wang, L.(2020). Accelerating thrombolysis using a precision and clot-penetrating drug delivery strategy by nanoparticle-shelled microbubbles. Science Advances 6(31). DOI: 10.1126/sciadv.aaz8204