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The Agreed Indications and Contra-indications for Cholecystectomy

International Journal for Quality in Health Care, 1993
Indications as to which patients should undergo cholecystectomy remain, at least in part, a matter of controversy. In 1987, a panel of nine Israeli physicians from different specialties established a list of indications for the performance of cholecystectomy based on the literature available at the time.
Fraser, Gerald M   +4 more
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Demographic Indices as Social Indicators

Environment and Planning A: Economy and Space, 1991
A social indicator is derived from readily available demographic data: population age structures, mortality rates, sex ratios, and children—women ratios (fertility). It is suggested that an indicator based on just two of these variables can be as reliable a measure of the physical quality of life in a population as a multivariable indicator based ...
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Urban indices as environmental noise indicators

Computers, Environment and Urban Systems, 2011
Abstract The objective of this paper is to analyze the noise levels of an urban area by treating them as a function of several features resulting from block shapes and urban indices in a residential neighborhood of a medium sized Brazilian city. Inside this area a sample of 40 reference points was chosen for data collection and their noise levels ...
Léa Cristina Lucas de Souza   +1 more
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Quantifying the Indicator Power of an Indicator Species

Conservation Biology, 2009
Abstract:  Biodiversity indicator species are needed for classifying biotopes and sites for conservation, and a number of methods have been developed for determining indicator species for this purpose. Nevertheless, in addition to site classification, there is sometimes a need to define an indicator species that
Panu, Halme   +4 more
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