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

Gao, H and Qin, L(2020). Synthesis and characterization of CpG-PP, CpG-PM, and CpG-P-ss-M. Bio-protocol Preprint. bio-protocol.org/prep494.
Qin, L., Cao, J., Shao, K., Tong, F., Yang, Z., Lei, T., Wang, Y., Hu, C., Umeshappa, C. S., Gao, H. and Peppas, N. A.(2020). A tumor-to-lymph procedure navigated versatile gel system for combinatorial therapy against tumor recurrence and metastasis . Science Advances 6(36). DOI: 10.1126/sciadv.abb3116