Tradable rights in conservation: useful policy tool or industry in themselves?

Human Rights in US Foreign Policy

The Critical-Care Pain Observation Tool: A useful tool for pain assessment in intensive care units

Pain is a major concern in all intensive care units (ICUs). The proper assessment and management of pain is one of the main goals of patient care in ICUs. Improper evaluation of pain and its over or under treatment can cause significant problems in the process of patient management in ICU. Since most ICU patients are unable to communicate correctly with the ICU team and explain their level of p...

Airway imaging in disease: gimmick or useful tool?

Airway remodeling is an important pathophysiological mechanism in a variety of chronic airway diseases. Historically investigators have had to use invasive techniques such as histological examination of excised tissue to study airway wall structure. The last several years has seen a proliferation of relatively noninvasive techniques to assess the airway branching pattern, wall thickness, and mo...

Y - Randomization – A Useful Tool in QSAR Validation , or Folklore ?

Several variants of randomization procedures were compared as a tool in validation of multilinear regression (MLR) QSAR equations that are obtained by descriptor selection. Y-randomization, a method formerly said to be probably the most powerful validation procedure, was found to be overoptimistic. The statistical significance of a new MLR QSAR model should be checked by comparing its measure o...

Magnification in dentistry: useful tool or another gimmick?

In spite of their significant cost, the relatively long learning curve associated with their use, frustrations during use, their occasional need for being replaced and their peculiar appearance to patients, magnifying loupes assist all types of clinical dentists in producing higher-quality dentistry. Seeing better also means decreasing operating time. Properly fitted loupes also can improve pos...