Societal costs associated with pulmonary arterial hypertension: A study utilizing linked national registries. - Runheim, Hannes; Kjellström, Barbro; Beaudet, Amélie; Ivarsson, Bodil; Husberg, Magnus; Pillai, Nadia; Levin, Lars‐Åke; Bernfort, Lars (Pulmonary Circulation, 2023)