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A commonly observed preferential association was quantified between mature native mesquite (Prosopis articulata) trees and the seedlings of six cactus species (Pachycereus pringlei, Opuntia cholla, Lophocereus schottii, Machaerocereus gummo-sus, Lemaireocereus thurberi, Mammilaria sp.) in a previously-disturbed area of the Sonoran Desert of Baja California,(More)
The objective of this study was to identify facilitators and barriers to the implementation of 10 National Quality Forum (NQF) medication processes and the culture of safety practices in Georgia hospitals. In-depth interviews with hospital administrators were conducted to identify facilitators and barriers to the implementation of programs that support the(More)
Medical management is gaining acceptance as a treatment option for women with early pregnancy failure (EPF). We reviewed randomized trials comparing misoprostol for EPF with surgical (dilation and curettage) or expectant management. Overall, approximately 85% of women with EPF can expect complete uterine evacuation after one or two doses of 600 or 800(More)
¶ Background. The aim of this study was to determine outcome, including quality of life, after surgery for petroclival meningioma using a standard skull base approach and to carry out an evidence based appraisal of the relevant literature.  Method. Pre- and post-operative data including adverse events were prospectively recorded in 19 patients (15 females,(More)
CONTEXT Information technology (IT) has been identified as a potential tool for improving the safety of health care delivery. PURPOSE To determine if there are significant differences between urban and rural community hospitals in the availability of selected IT functional applications and technological devices. METHODS A mailed survey of community(More)
INTRODUCTION Wegener's Granulomatosis is a vasculitis of uncertain aetiology. Affected patients usually present with disease of the respiratory and renal tracts. Classic symptoms and clinical findings, together with serology titres positive for anti-neutrophil cytolplasmic antibody against proteinase 3 confirm the diagnosis. Wegener's Granulomatosis can(More)
OBJECTIVES The aim of this work was to estimate the doses to radiosensitive organs in the head of a young child undergoing panoramic radiography and to establish the effectiveness of a short collimator in reducing dose. METHODS Thermoluminescent dosemeters were used in a paediatric head phantom to simulate an examination on a 5-year-old child. The(More)
Acknowledgements It is a truth universally acknowledged, that a young man, without possession of a good fortune, must be in want of a PhD. It is a pleasure to thank the following people for their help and encouragement along the way: first and foremost, my supervisor, Neil Turok, for four years of brilliant and inspiring collaboration. Also Gustavo Niz,(More)
INTRODUCTION Rapid access to radiological services is essential, if the British Association of Otolaryngologists - Head and Neck Surgeons Minimum Temporal Standards are to be met in the management of head and neck cancer patients. This study assesses a new initiative whereby the multidisciplinary team prioritises allocated imaging appointments rather than(More)
Background. It is essential to have easy to use, reliable tools to assess and compare facial function for clinical records, audit and research purposes. In this study, two different techniques were examined, Hand held calipers (HHC, as described by Burres), and computerised analysis of digital photographs (CAOP) using Adobe Photoshop 7. The aim of this(More)