Fig. 1From: Inhaled drug delivery: a randomized study in intubated patients with healthy lungsSummary of the protocol. 99mTc-DTPA technetium-99 m labelled diethylenetriaminepentaacetic acid, ETT endotracheal tube, HH heated humidifier, SARS-CoV-2 severe acute respiratory syndrome coronavirus 2, SCAT specific ventilator circuit for aerosol therapyBack to article page