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

Conigrave, A(2020). Single-cell intracellular Ca2+ microfluorimetry. Bio-protocol Preprint. bio-protocol.org/prep427.
Geng, Y., Mosyak, L., Kurinov, I., Zuo, H., Sturchler, E., Cheng, T. C., Subramanyam, P., Brown, A. P., Brennan, S. C., Mun, H., Bush, M., Chen, Y., Nguyen, T. X., Cao, B., Chang, D. D., Quick, M., Conigrave, A. D., Colecraft, H. M., McDonald, P. and Fan, Q. R.(2016). Structural mechanism of ligand activation in human calcium-sensing receptor. eLIFE. DOI: 10.7554/eLife.13662