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

Li, P, Li, J and Liu, E(2022). Antibiotic treatment and fecal microbiota transplantation. Bio-protocol Preprint. bio-protocol.org/prep1581.
Zeng, S., Li, S., Xiao, P., Cai, Y., Chu, C., Chen, B., Li, P., Li, J. and Liu, E.(2020). Citrus polymethoxyflavones attenuate metabolic syndrome by regulating gut microbiome and amino acid metabolism. Science Advances 6(1). DOI: 10.1126/sciadv.aax6208