Ultra low-dose chest CT using filtered back projection: comparison of 80-, 100- and 120 kVp protocols in a prospective randomized study.
Khawaja RD, Singh S, Madan R, Sharma A, Padole A, Pourjabbar S, Digumarthy S, Shepard JA, Kalra MK. Ultra low-dose chest CT using filtered back projection: comparison of 80-, 100- and 120 kVp protocols in a prospective randomized study. Eur J Radiol. 2014 Oct; 83(10):1934-44.