Figure 4From: Assessment of an in vitro whole cigarette smoke exposure system: The Borgwaldt RM20S 8-syringe smoking machineSchematic cross-section of a single RM20S syringe and exposure chamber. Smoke was sampled at the exit of the syringe (α), pre-entry to chamber (β) and at the exit from the chamber (γ) using an electrical mobility spectrometer.Back to article page