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Published in 2020 at "Chest"
DOI: 10.1016/j.chest.2020.03.009
Abstract: Case-control studies are one of the major observational study designs for performing clinical research. The advantages of these study designs over other study designs are that they are relatively quick to perform, economical, and easy…
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Keywords:
control studies;
practical overview;
case;
study designs ... See more keywords
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Published in 2017 at "Urban Water Journal"
DOI: 10.1080/1573062x.2016.1223323
Abstract: Abstract Various unsteady or transient models have evolved in order to help engineers achieve economy of analysis, design, construction, operation and maintenance. The specific usage of each model is strongly dependent on the level of…
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Keywords:
pipe flow;
flow modeling;
unsteady pipe;
practical overview ... See more keywords