Primary tracheal tumors are rare with the majority being malignant. Benign lesions are less frequent with primary tracheal schwannomas accounting for less than 0.5% of tracheal tumors. They are more common in females and their clinical presentation is non-specific. Chronic cough, progressive respiratory distress and even asthma-like conditions prevail as presenting symptoms and signs. Laryngotr...

We introduce the idea of partial behaviours in user interfaces. A partial behaviour can beguile users, and may be a cause of interaction problems — however, it is possible to identify and remove them early in the design process, making them a useful concept for interaction design. A characterisation of partial behaviours is presented, in terms of a matrix algebra model of interactive systems. W...

In light of decision-making psychology, this article details how drug marketing operates across established and novel web domains and identifies some common misleading trends and influences on prescribing and patient-initiated medication requests. The Internet has allowed pharmaceutical marketing to become more salient than ever before. Although the Internet's growth has improved the disseminat...