3Chen J, Gah JR, Case JA, et al.Transmiss ion scan truncation withSmall-field-of-view dedicated cardiac SPECT systems: Impact and au- tomated quality control[J].Journal of Nuclear Cardiology,2005,12(5):567- 573.
4Tavares SB, de-Sousa NL, Manrique EJ,et al. Rapid pre-screening of cervical smears as a method of internal quality control in a cervical screening programme[J]. Cyt0patho10gy,2008,19(4):254-:259.
