Key aspects for such research include the importance of squamous histology and the contributions of vessel permeability, hypertension and vessel wall erosion.
Exclusion criteria cited in such research include "language problems" [ 4, 14, 15], "patients who were hearing impaired, not fluent in English" [ 19] and "could not be interviewed due to language barriers" [ 18].
Examples of such research include a study of subcutaneous implantation of alginate gel bound to SWCNTs, a study of subcutaneous implantation of a poly(propylene fumarate) assembly bound to SWCNTs, and a study of subcutaneous implantation of two MWCNTs with different lengths.
Such research includes evaluations of any possible long-term effects of use.
The essential skills required to be able to do such research includes experimental design, statistical analysis and the actual handling and treating of the animals (in vivo skills).
The authors review the various phases of such research, including recruitment of appropriate patients and retention of those enrolled, and they make suggestions, using examples from already completed research studies, illustrating the methods found to be most successful.
The article provides both a conceptual framework for the study and a discussion of some of the methodological challenges involved in such research, including problems of selection bias, difficulties in documenting programmatic features, and challenges of estimating teacher effects on student achievement.
Such research included U.S. participation at the world's largest atom smasher, Europe's Large Hadron Collider in Switzerland, and experiments at the Fermi National Accelerator Laboratory in Batavia, Illinois.
Such research includes the strict supervision, identification, classification, and analysis of any early warning about factors that could cause a crisis or the appearance of a crisis.
The evidence persuaded the U.S. Department of Energy, which had spent $22 million on such research, including Barry's, to pull the plug.
