Maximal respiratory pressure after COVID‐19 compared with reference material in healthy adults: A prospective cohort study (The SECURe study) oleh Thora Wesenberg Helt, Jan Christensen, Ronan M. G. Berg, Thomas Kromann Lund, Anna Kalhauge, Frederikke Rönsholt, Daria Podlekareva, Elisabeth Arndal, Flemming Madsen, Mathias Munkholm, Birgitte Hanel, Anne‐Mette Lebech, Terese Lea Katzenstein, Jann Mortensen