Yassin, A., Cleland, J., McDonagh, T., Rigby, A. S., Whittaker, T., Dargie, H. J., & on behalf of the National Heart Failure Audit Team for England and Wales. (2011). The national heart failure audit for England and Wales 2008-2009. Heart, 97(11), 876-886. https://doi.org/10.1136/hrt.2010.209171