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

Yeung, W(2021). Immunofluorescence staining of embryos. Bio-protocol Preprint. bio-protocol.org/prep1088.
Liu, W. M., Cheng, R. R., Niu, Z. R., Chen, A. C., Ma, M. Y., Li, T., Chiu, P. C., Pang, R. T., Lee, Y. L., Ou, J. P., Yao, Y. Q. and Yeung, W. S. B.(2020). Let-7 derived from endometrial extracellular vesicles is an important inducer of embryonic diapause in mice. Science Advances 6(37). DOI: 10.1126/sciadv.aaz7070