Friedrich, Christian, Francke, Klaus, Birring, Surinder S., van den Berg, Jan Willem K., Marsden, Paul A., McGarvey, Lorcan, Turner, Alice M., Wielders, Pascal, Gashaw, Isabella, Klein, Stefan, Morice, Alyn H., "The P2X3 receptor antagonist filapixant in patients with refractory chronic cough: a randomized controlled trial", Respiratory research, 2023