129Xe MRI ventilation defects in ever-hospitalised and never-hospitalised people with post-acute COVID-19 syndrome oleh Sarah Svenningsen, Ehsan Ahmed Haider, Grace Parraga, Parameswaran Nair, Inderdeep Dhaliwal, Miranda Kirby, Terence Ho, Harkiran K Kooner, Marrissa J McIntosh, Alexander M Matheson, Carmen Venegas, Nisarg Radadia, Norman B Konyer, Giles E Santyr, Mitchell S Albert, Alexei Ouriadov, Mohamed Abdelrazek, J Michael Nicholson