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ON THE COVER:

Lung lining. Color-enhanced scanning electron micrograph (SEM) of a section through epithelial cells of the terminal bronchus (lung airway). Some of the cells are covered in cilia, tiny microscopic hairs. Rhythmic movements of the cilia serve to move mucus and trapped particles away from the gas-exchanging parts of the lung, and towards the throat, where they can be expelled. Magnification: x10,000 when printed at 10 cm wide.

Image by Eye of Science / Photo Researchers, Inc. Image and text copyright 2012 Photo Researchers, Inc. All Rights Reserved.

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“Non-Cardiogenic Pulmonary Edema Complicating Electroconvulsive Therapy: Short Review of the Pathophysiology and Diagnostic Approach” pp. 131–136.

“Hemoptysis Due to Breath-Hold Diving Following Chemotherapy and Lung Irradiation” pp. 137–139.