Results 181 to 190 of about 51,802 (273)

Speciation of European bullheads (Cottus spp.): The next problem for taxonomy of northern freshwater fishes

open access: yesJournal of Fish Biology, EarlyView.
Abstract High morphological and ecological diversity displayed by European bullheads led Freyhof et al. (2005) to describe 15 nominal species. However, the basis for declaring these nominal species is contentious due to a lack of rigorous statistical analysis of morphological variations among populations, limitations in the inferences made from ...
David S. Murray   +3 more
wiley   +1 more source

Contestation over a Profession's Memory: The UK Pharmacy Profession, 1880–1905

open access: yesJournal of Management Studies, EarlyView.
Abstract We draw on the historical case of the UK pharmacy industry from 1880–1905 to examine how, in the face of a competitive threat to their survival, lower status professionals seek to reinvigorate the memory of their role in providing community service in the public interest.
Graeme Currie, Andrew Wild, Andy Lockett
wiley   +1 more source

Cross‐Sectional Studies: Strengths, Limitations, and Methodological Considerations

open access: yesJournal of Periodontal Research, EarlyView.
Cross‐sectional studies measure variables at a single time point to estimate prevalence and support descriptive epidemiology ‐ characterizing population health, tracking trends via repeated surveys – and for developing and validating screening instruments and diagnostic models.
Sebastian‐Edgar Baumeister   +4 more
wiley   +1 more source

Home - About - Disclaimer - Privacy