Is there an updated version of this article ?

07 August 2017 3,495 0 View

In a questionnaire study, how do we avoid bias of selection of a particular group of respondents, so that bias does not affect results of the study?

In a questionnaire study or survey study, how do we avoid bias of selection of a particular group of respondents, so that bias does not affect results of the study?

02 March 2017 6,667 3 View

In systematic reviews, there are some registered trials, but the trails are not completed. Should we include them in the review?

In systematic reviews, there are some registered trials, but the trails are not completed. Should we include them or cite them in the review?

02 March 2017 1,357 5 View

Anybody can help me out with definition of "twinning programmes" related to education??

Any articles or link which can provide definition of twinning programmes related to education

31 December 2015 1,223 4 View

Totally how many dental implant companies are there??

Each implant company has atleast 10 versions or types. Totally how many dental dental implant companies are there by 2015?? Any scientific articles in this regard ? Srinivas S R

11 December 2015 2,134 3 View

Journal has asked to fill STROBE checklist. Should i change the contents of the manuscript or just attach the strobe checklist?

Journal has asked to fill a STROBE checklist. Should I change the contents of manuscript or just add the STROBE template??

08 September 2015 1,052 1 View

Quality dental education journals apart from JDE and EJDE ??

Need to submit an article in dental education journal. Any journal names apart from JDE and EJDE ? regards

11 December 2014 907 5 View

No title

How to validate a questionnaire with yes, no and dont know as the options for response ?

11 December 2014 8,488 3 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

Does RNAiMAX transfection reagent work in serum free medium?

I diluted siRNA and RNAiMAX in opti-MEM and added to the cells which they were in the growth medium. Is it a right way? or should I culture cells in the opti-MEM medium for a while and not in...

26 February 2021 10,041 3 View

Can't recognize exact phase and PDF card no of Silicon carbide in XRD?

We have deposited silicon carbide on carbon substrate using one PVD technique. Due to amorphous behavior of SiC at low deposition temperature, we performed heat treatment of those films at...

22 February 2021 2,072 3 View

What is the significance of (isolated) high titers of IgG anti GD1a antibodies in an older patient with polyneuropathy?

Remote history of Campylobacter infection with reactive arthritis, and Spitz nevus (UMP). Arthropod exposure in Zika/ChikV endemic area prior to emergence of length dependent, sensory PN with...

18 February 2021 8,719 1 View

Is this the fragment of a sauropod tooth?

Dear colleagues. Fragments of this species are very rare from a terrestrial Lower Cretaceous locality from Germany. Up to now from this locality sauropods could not be proved with certainty. Other...

14 February 2021 2,310 1 View

How to determinate of molecular structure of salt into the liquid?

I need to determine the open formula of our complex, presumably consisting of sodium tungstate Na2WO4 and aluminum sulfate Al2 (SO4) 3. Our problem is that with an increase in the concentration...

11 February 2021 5,821 1 View

Which Journals would you advise to submit a Letter which briefly talks about neurosurgical treatment of neuro-oncological patient during Sars-COV-2?

Possibily not an open access journal which does not add any publishing costs once being accepted. Thank you in advance

09 February 2021 717 6 View

How to do mono formylation of N,N-diethyl-3-methoxybenzamide?

I have attempted the formylation of the above mentioned compound using a very well reported protocol using secondary Butyl Lithium and TMEDA at - 78 degrees Celsius. I have done it quite a few...

08 February 2021 2,793 2 View

Electron density difference maps(Fo-Fc): what is the meaning of negative densities (red blobs)?

Dear community, As far as I understand, negative density features point at stuff that is in the model, but not supported by experimental data. However, in many cases (e.g. attached image), when...

06 February 2021 2,847 2 View

Is there no general protocol for vaccination study?

Hi, I searched vaccination study to know which MLD50 is suitable for influenza virus study in pubmed. But why every vaccination and challenge conditions are different? Is there no guideline or...

16 January 2021 7,984 3 View