Effect of AZD9977 and spironolactone on serum potassium in heart failure with preserved or mildly reduced ejection fraction, and renal impairment: A randomized trial. - Squire IB; Gabrielsen A; Greasley PJ; Wernevik L; Hartleib-Geschwindner J; Holden J; Johansson S; Rudvik A; Sánchez J; Bamberg K; Melin J; Whittaker A (Clinical and translational science, 2022)