Shi, S., Chen, F., Goel, S., Graves, S. A., Luo, H., Theuer, C. P., Engle, J. W. and Cai, W. (2018) “In Vivo Tumor-Targeted Dual-Modality PET/Optical Imaging with a Yolk/Shell-Structured Silica Nanosystem”, Nano-Micro Letters, 10(4), p. 65. doi: 10.1007/s40820-018-0216-2.