Freese, Christopher, et al. “The Volume of PET-Defined, Active Bone Marrow Spared Predicts Acute Hematologic Toxicities in Anal Cancer Patients Receiving Concurrent Chemoradiotherapy”. Acta Oncologica, vol. 57, no. 5, May 2018, pp. 683-6, doi:10.1080/0284186X.2017.1377847.