Finally, external validity is supported by this trial's wide participant selection and multi centered character.
The external validity is supported by the study's design, the outcome measures, the participant selection, and its multi centered character.
This opens the way to the design of multi centered redox systems, redox switches of fluorescence, and anion receptors of unusually high Brønsted acidity.
S.S. Skourtis and D.N. Beratan, Multi-center and multi-electron transfer in biology, in Theory & Principles, Electron Transfer Reaction, edited by Wiley-VCH (Weinheim), V. Balzani, Electron Transfer Reaction, vol. 1 (2001), pp. 109-125.
Acad –academic setting, nonAcad – non academic setting, Pro – prospective, Retro – retrospective, Descrip – Descriptive, PED – pediatric, O – other, MD – physician, RN – nurse, RT – respiratory therapist, IN inpatient, OUT – outpatient, ED – emergency department, Multi – multi-center trial.
Clinical research projects include both prospective (either single-center or multi-center) device and pharmacologic clinical studies and retrospective single-center studies from our own cardiac catheterization laboratory database or multi-center database and from the New York State Angioplasty Registry.
However, a large inter national multi center study failed to confirm these results [ 20], and steroid use in sepsis has again decreased.
Though this was achieved by the isolation of peripheral blood mononuclear cells immediately after specimen collection, the labor intensive techniques involved in this process and the need for technical experts in the field at the time of sample collection hinder its applicability in large scale multi center clinical trials.
Such study was necessary since the WHO multi center study did not include Nepal among its study sites [ 20].
Future well-designed (preferably multi-center) prospective pharmacokinetic and –dynamic studies should evaluate the association between dosing schedules, micro-organism profiles and therapy efficacy, preferably including long term patient outcome.
We obtained basic data on author, country, study design, sample size, and study setting: (1) health facility, multi-center, or community-based, and (2) urban versus rural.
