Amyotrophic lateral sclerosis (ALS) is a progressive neurodegenerative disorder that is marked by fasciculation, spasticity and progressive weakness of muscles, and results in difficulty speaking ...

Correspondence to Dr John Harvey, North Bristol Lung Centre, Southmead Hospital, Bristol BS10 5NB, UK; john.harvey{at}nbt.nhs.uk Secondary pneumothorax (SSP) is associated with underlying lung disease ...

These guidelines have been developed at the request of the Standards of Care Committee of the British Thoracic Society (BTS) and with the agreement of the Royal College of Radiologists and the British ...