BACKGROUND Pneumocephalus is commonly encountered after neurosurgical procedures but can also be caused by craniofacial trauma and tumors of the skull base and rarely, can occur spontaneously. Contributing factors for the development of pneumocephalus include head position, duration of surgery, nitrous oxide (N(2)O) anesthesia, hydrocephalus, intraoperative osmotherapy, hyperventilation, spinal...

Pitjantjatjara is a dialect of the Western Desert Language (WDL) of central Australia (Douglas 1958). The Western Desert Language is a member of the south-west Pama-Nyungan group. Together with Warnman, it forms the Wati sub-group. It is spoken by 4000–5000 people, and covers the widest geographical area of any language in Australia, stretching from Woomera in central northern South Australia, ...

Medical Illustrations in Medieval Manuscripts, by LOREN MACKINNEY, London, Wellcome Historical Medical Library, 1965, pp. xvii, 263, 104 plates, 105s. It is a pity that Loren MacKinney did not live to see the publication of this beautifully produced book, which represents to some extent the culminating point of his thirty years' search for medical illustrations in medieval manuscripts. He had i...

This paper describes how technical illustrations containing opaque and non-opaque objects can be automatically generated. Traditional methods to show transparency in manual drawings are evaluated to extract a small and effective set of rules for computer-based rendering of technical illustrations, leading to a novel view-dependent transparency model. We propose a hardware-accelerated depth sort...

OBJECTIVE To study the effectiveness of visual illustrations in improving people's understanding of the preventive aim of flexible sigmoidoscopy (FS) screening. METHODS Three-hundred and eighteen people aged 60-64 were offered an appointment to attend FS screening and randomly allocated to receive either written information alone or written information plus illustrations. The illustrations sh...