Rees Jones, I., Berney, L., Kelly, M., Doyal, L., Griffiths, C., Feder, G., …Curtis, S. (2004). Is patient involvement possible when decisions involve scarce resources? A qualitative study of decision-making in primary care. Social Science & Medicine, 59, 93-201. https://doi.org/10.1016/j.socscimed.2003.10.007