Prophylactic human papillomavirus vaccines
J. Clin. Invest. Douglas R. Lowy, et al. 116:1167
doi:10.1172/JCI28607 [Go to this article.]

Figure 4
Electron micrograph of HPV16 L1 VLPs. Original magnification, ×14,500. Image courtesy of Yuk-Ying Susana Pang (Laboratory of Cellular Oncology, National Cancer Institu).