Experiences with early aerobic interval training after heart valve surgery in patients with infective endocarditis. A qualitative study. - Müller, Margrethe; Hanssen, Tove Aminda; Johansen, David; Jakobsen, Øyvind; Pedersen, John Erling; Aamot Aksetøy, Inger Lise; Rasmussen, Trine Bernholdt; Hartvigsen, Gunnar; Skogen, Vegard; Henriksen, André; Thrane, Gyrd (European Journal of Physiotherapy, 2026)