Establishment and Application of PCR-Time-of-flight Mass Spectrometer for SARS-CoV-2 Nucleic Acid Detection 
WANG Jun,ZHANG Dong,CHEN Qingqing,YU Junling,YANG Yi,QIAO Liang,SUN Yong
Chinese General Practice . 2020, (35): 4430 -4435 .  DOI: 10.12114/j.issn.1007-9572.2020.00.588