Choi, Y., Kang, S., Cha, S., Kim, H., Song, K., Lee, Y., … Park, Y. (2018). Platycodon saponins from Platycodi Radix (Platycodon grandiflorum) for the Green Synthesis of Gold and Silver Nanoparticles. Nanoscale Research Letters, 13(1), 23. https://doi.org/10.1186/s11671-018-2436-2 (Original work published 2018)