Nebulised heparin as a treatment for COVID-19: scientific rationale and a call for randomised evidence oleh Frank M. P. van Haren, Clive Page, John G. Laffey, Antonio Artigas, Marta Camprubi-Rimblas, Quentin Nunes, Roger Smith, Janis Shute, Mary Carroll, Julia Tree, Miles Carroll, Dave Singh, Tom Wilkinson, Barry Dixon