Agato A, Richter EJ, Svoboda C, Sherafati A, Burke B, Eggebrecht AT, et al., editors. Wearable high-density diffuse optical tomography (WHD-DOT) instrument for mapping human brain activity. Optical Techniques in Neurosurgery, Neurophotonics, and Optogenetics; 2021: International Society for Optics and Photonics.
Ballard DH, Dang AJ, Kumfer BM, Weisensee PB, Meacham JM, Scott AR, et al. Protection levels of N95-level respirator substitutes proposed during the COVID-19 pandemic: safety concerns and quantitative evaluation procedures. BMJ open. 2021;11(9):e045557.
Ballard DH, Jammalamadaka U, Meacham KW, Hoegger MJ, Burke BA, Morris JA, et al. Quantitative fit tested N95 respirator-alternatives generated with CT imaging and 3D printing: a response to potential shortages during the COVID-19 pandemic. Academic radiology. 2021;28(2):158-65.