RT Journal Article SR Electronic T1 Propantheline for excess respiratory tract secretions in motor neuron disease JF BMJ Supportive & Palliative Care JO BMJ Support Palliat Care FD British Medical Journal Publishing Group SP spcare-2022-004109 DO 10.1136/spcare-2022-004109 A1 Sarah Marshall A1 Mark Banting YR 2023 UL http://spcare.bmj.com/content/early/2023/01/11/spcare-2022-004109.abstract AB