Good introductory research papers regarding Amyotrophic Lateral Sclerosis . . . relatively easy to read, many patients would likely understand and learn a lot from them.

Noah Lechtzin, August 2006
Respiratory Effects of Amyotrophic Lateral Sclerosis: Problems and Solutions | Respiratory Care (rcjournal.com)

Adriano Chiņ, et alia, Oct-Dec 2009
Prognostic factors in ALS: A critical review - PubMed