Does any one has an experience in isolated gastric varices-1 in children?

A ten years old female child with recurrent melena. Her upper endoscopy revealed an isolated lesion in the gastric fundus that could be IGV-1 without esophageal varices nor PHG. What is your...

01 February 2020 6,235 2 View

Can we proceed for upper GI endoscopy in children with severe acute upper GI bleeding if hypotensive in spite of resucsitation?

A 14 years old adolescent with cirrhotic liver was presented with a severe attack of hematemesis. After resuscitation for 12 hours he was hypotensive, severely acidotic and with uremia. Can we...

06 July 2018 2,138 2 View

Does any one know a good rehabiliatation center for mentally retarted children that could allow them caching regular schools?

06 July 2016 5,404 0 View

Journal impact factor?

Why the recorded impact factor of some journals on RG appears on difference from the actual one. For example the impact factor of the Hepatology Research is 2.735, while it is recorded as 2.22 on...

07 August 2015 8,358 1 View

Can we make more standard dilutions to have a wider assay range in ELISA?

When using ELISA, the assay range of the test is that of the dilutions made for the standard. Can we make more standard dilutions to have a wider assay range? or It will be wrong?

02 March 2015 8,373 8 View

What is your perception on using visual analysis or quantitative approaches to evaluate data from single-case research designs (n of 1 trials)?

Results of single-case research designs (i.e., n-of-1 trials) are often evaluated by visually inspecting the time-series graph and computing quantitative indices. A question our research team is...

03 March 2021 687 1 View

How to address this issue in the analysis of Real-Time PCR results?

To dear Researchers, I was analyzing a series of concentration for estimation of Real-Time PCR efficiency. The concentration was 1:10. I used MS-excel to evaluate Slope. The result of slope was -8...

01 March 2021 8,683 4 View

How to compare 2 samples recruited with different sampling methods?

If I want to compare characteristics of 2 groups of patients, one group is recruited from a random sample of the general public while another group is from a sample with a fixed gender (male to...

26 February 2021 3,526 3 View

How to make a time series imputation benchmark ?

Hello ! In a work, I have to benchmark different algorithms to fill in missing values in time series. I insist on the fact that this is imputation and not forecasting. In my case, I have access...

24 February 2021 7,470 7 View

How to interpolate from a time-series database ?

Hi, I am having trouble with a problem, in the field of Optimal Control and the generation of optimal time-series. Let's consider a system, whose dynamics are represented by dx/dt =...

24 February 2021 9,105 2 View

Can we recognize signs of the "volatility clustering" property of a time series in its time domain plot?

My purpose is to recognize the volatility clustering property without statistical tests such as The Lagrange Multiplier (LM) test.

24 February 2021 4,150 3 View

How can I obtain time series data by country on night-time light (brightness) ?

Hi everyone, Please, how can I obtain time series data by country on night-time light (brightness) ? I've tried, but so far all I can find are maps. I am looking for numerical data, especially in...

24 February 2021 8,625 4 View

I have a time series data of some biochemical studies ( DNA and Chromosomal damage) which I intend to use to further predict into future ?

I have a time series data of some biochemical studies ( DNA and Chromosomal damage) which I intend to use to further predict into future without necessarily conducting the assay for an extended...

23 February 2021 7,842 1 View

Do you consider undergoing a structure literature review / Meta analysis and getting numerical findings sort of quantitative method?

I am looking for a classification of the research methods included in literature review papers or Meta analysis ones .

22 February 2021 1,131 4 View

How to run repeated measures in mvabund?

I have a dataset of fish species abundances collected from 6 different habitats over the course of 30 years. Fish were collected multiple times per year and environmental variables were recorded...

21 February 2021 3,838 1 View