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 ...

The integumentary system is the body’s outermost layer. Composed of skin, hair, nails, glands, and nerves, its main job is to protect your insides from elements in your environment, like pollution and ...

Division of Pulmonary and Critical Care Medicine, University of Michigan Medical Center, Ann Arbor, MI 48109, USA Dr J P Lynch III, Department of Internal Medicine, Division of Pulmonary and Critical ...