Clinical case reports, vol 9, iss 4 Clinical Case Reports Clinical Case Reports, Vol 9, Iss 4, Pp 2228-2235 (2021) Frankel, A E, Reddy, R, DeSuza, K R, Deeb, K, Carlin, A F, Smith, D, Xie, Y, Naik, E, Silver, R T & Hasselbalch, H C 2021, ' Response to pegylated interferon in a COVID-19–positive elderly woman with primary myelofibrosis treated with ruxolitinib ', Clinical Case Reports, vol. 9, no. 4, pp. 2228-2235 . https://doi.org/10.1002/ccr3.3997