ion. It is more a descent to the mesosphere. For simplicity of discussion, we shall stick to biset functors, though variants of the material apply also to other kinds of group functors. In our account of biset functors, we mentioned that the abstraction here is rather similar to the abstraction behind the notion of ratios: just as the Greeks moved towards abstract ratios in place of ratios of p...

A stated objective of the Australian Plain Packaging Act 2011 is to reduce smoking prevalence. We use the Roy Morgan Single Source (Australia) data set over the time period January 2001 to December 2013 to analyze whether this goal has been achieved in the first year since the implementation. In particular, we carry out a statistical trend analysis to study the (possible) effect of plain packag...

This study analyzes 15 years of Tropical Rainfall Measuring Mission (TRMM) satellite data, together with surface observations of thunderstorms and visibility, to study trends and relationships between aerosols and thunderstorms in southeast China. TRMM data used are from the lightning imaging sensor (LIS) and the precipitation radar (PR). Surface data are human-observed thunderstormoccurrence a...

OBJECTIVES Intrathecal drug administration using an implanted pump system is well established in intractable spasticity and pain. However, despite continuous advancements in manufacturing technology, adverse events related to the pump and catheter still occur. Most of them, such as migration, damage, disconnection and occlusion, are related to the spinal catheter. The aim of this overview is to...

OBJECTIVE We tested the effect of nonoxynol-9 (N-9) in condom lubrication on the risk of acquiring STD and genital discomfort. METHODS The study was a triple masked, randomised controlled trial comparing N-9 lubricated condoms with plain silicone lubricated condoms among Dominican female sex workers. RESULTS Randomisation provided two groups (313 for N-9 and 322 for plain) similar in baseli...

Over the last several years contributions to PEQ have increased considerably. As a backlog of articles was building, it felt appropriate make some changes content journ...