Sensitive determination of volatile nitrosamines with ambient pressure ammonium-adduct ionization mass spectrometry. - Duan, Lian; Wang, Cheng; Li, Yuwei; Yang, Binwang; Zheng, Xiuqing; Liu, Jiaxu; Jing, Guoxing; Liu, Wenjie; Yu, Jianna (Analytical & Bioanalytical Chemistry, 2024)