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. Author manuscript; available in PMC: 2020 Feb 1.
Published in final edited form as: Amyotroph Lateral Scler Frontotemporal Degener. 2019 Jan 17;20(1-2):37–42. doi: 10.1080/21678421.2018.1510011

Figure 3.

Figure 3.

Voluntary cough spirometry depicting A) cough flow with distinct inspiratory and expiratory parameters in a healthy control, and aberrant cough flow in two individuals with ALS with B) spinal-onset and C) bulbar-onset disease type.