At home non-invasive saliva collection for Minimal Residual Disease monitoring
As simple as 1 2 3 4
Spit until the amount of saliva (not bubbles) reaches the fill line.
Close lid tightly by pushing down hard on the funnel lid until you hear a loud click
Unscrew the funnel from the tube.
Close tube tightly with small cap. Shake for 5 seconds.
Now mail it back and that's it!