المؤلفون: Lyall, Rebecca, author, Gelinas, Deborah, author

المصدر: Palliative Care in Amyotrophic Lateral Sclerosis : From diagnosis to bereavement, 2nd Edn, 2006.

الإتاحة: https://doi.org/10.1093/acprof:oso/9780199212934.003.0006Test

المؤلفون: Polkey, Michael I., author

المصدر: Dyspnoea in Advanced Disease : A guide to clinical management, 2005, ill.

الإتاحة: https://doi.org/10.1093/acprof:oso/9780198530039.003.0008Test