Reducing Radiation Dose During Routine Brain CT using Helical with Tube Current Modulation Mode
FU Qiang, NIU Meng, LIU Xiao-Fei
中国辐射卫生 . 2013, (3): 270 -273 .  DOI: 10.13491/j.cnki.issn.1004-714x.2013.03.046