15 Minute Fillers is an invaluable multi-purpose resource book of quick ideas for relief and general classroom teachers in middle to upper primary school. Its c

Soft drinks and fruit juices are produced in almost every country in the world and their availability is remarkable. From the largest cities to some of the remo

In the innovative field of cosmetic dermatology, the range of products and methods available to patients is expanding all the time. Prominent among these are fa

Abstract: Default values are often used in exposure assessments e.g. in modelling because of lack of actually measured data. The quality of the exposure assessm