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Triple quadrupole (QQQ) scans and ESI-QTRAP-MS/MS: LIT was obtained on a triple-quadrupole-linear ion trap mass spectrometer (QTRAP), AB4500 Q TRAP UPLC/MS/MS System equipped with an ESI Turbo Ion-Spray interface, running in both modes (negative and positive)

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The idea is that [heat-not-burn devices] will have fewer harmful chemicals than regular cigarettes. Philip Morris claims IQOS could save 90,000 lives over 20 years The FDA and its expert review panel have been poring over millions of pages (literally) of scientific data provided by Philip Morris

doi:10.1136/bmj.329.7480.1424