A 35-year-old man presented with polyarthritis and constitutional symptoms, and a recent history of multiple tick bites and skin rash on trekking holiday. He did not respond to oral doxycycline and cephalexine for presumed Lyme's disease. Further investigation confirmed strongly positive streptococcal serology. There was absence of clinical or echocardiography evidence of heart involvement and ...

The clinical features and necropsy findings are described for seven trekkers in the Himalayas whose deaths were related to high altitude. The fatal outcome was due to serious pulmonary and cerebral disease. Oedema of the lungs and brain was prominent but so was thrombosis and haemorrhage, features of acute mountain sickness that have received insufficient recognition in the past. Most of the me...

Time series can often be naturally disaggregated in a hierarchical structure using attributes such as product type. For example, the total number of bicycles sold by a cycling warehouse can be disaggregated into a hierarchy of bicycle types. Such a warehouse will sell road bikes, mountain bikes, children bikes or hybrids. Each of these can be disaggregated into finer categories. Children’s bike...

Given a polyhedral terrain with n vertices, the shortest monotone descent path problem deals with finding the shortest path between a pair of points, called source (s) and destination (t) such that the path is constrained to lie on the surface of the terrain, and for every pair of points p = (x(p), y(p), z(p)) and q = (x(q), y(q), z(q)) on the path, if dist(s,p) < dist(s, q) then z(p) z(q), whe...

101 Pacific Economic Bulletin Volume 24 number 3 october 2009 © the australian national university Participatory Rural Appraisal (PRA) is an approach to data collection in participatory research. In this approach, the researcher is required to acknowledge and appreciate that research participants have the necessary knowledge and skills to be partners in the research process. PRA techniques were...

Macera turistleri, macera turizmi deneyiminin bir parçası olarak, davranışları sürekli değişim gösteren ve daha riskli seyahat deneyimleri için arayış içinde olan turistlerdir. Türkiye’de turistlerinin aktivite tercihleri ile duyusal arayışları arasındaki ilişkinin belirlenmesi amacıyla yapılan araştırmada; yamaç paraşütü, tüplü dalış, sörf, rafting, kano, kamp, kayak/snowboard, kaya tırmanışı,...