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)