This paper addresses several issues related to validity in qualitative research and, more COATS specifically, explores the ways in which validity has been discussed and applied in research with qualitative interviews.The central question is to what extent, if at all, traditional positivist validity criteria are applicable, but also relevant, for ev
Abstract Background The Tnfrh1 gene (gene symbol Tnfrsf23) is located near one end of a megabase-scale imprinted region on mouse distal chromosome 7, about 350 kb distant from the nearest known imprinting control element.Within 20 kb of Tnfrh1 is a related gene called Tnfrh2 (Tnfrsf22) These duplicated genes encode putative decoy receptors in the t
Mechanical harvesting of Bartlett pears was attempted in 1960 using a block of sixty-year-old trees, designed specifically for hand harvesting, at the George and Walter Brown pear ranch, Santa Clara County.The lower Fenugreek limbs were so near to the ground that a catching frame could not be driven beneath the trees and the fruit had to be dropped
The basic properties of the fly ash, recycled brick powder and recycled concrete powder, compared the recycled brick powder and recycled concrete powder instead of fly ash in concrete preparation, influence on the working performance and mechanical properties; and through the modifier to improve the concrete slump loss is too large, analyzes the me
This paper describes the key factors and remaining challenges for tuberculosis (TB) control programmes in complex emergencies.A complex emergency is "a humanitarian crisis in a country, region or society where there is total or considerable breakdown of authority resulting from internal or external conflict and which requires an international respo