Eklund M., Hellberg O., Furuland H., Cao Y. and Nilsson E. 2021. Effects of spironolactone on extrasystoles and heart rate variability in haemodialysis patients: a randomised crossover trial. Upsala Journal of Medical Sciences. 126, 1 (Jan. 2021). DOI:https://doi.org/10.48101/ujms.v126.5660.