Welcome to MESS Consult blog , strictly for educational research purposes. For starters, do you know that the digital age makes it possible to access over a million publications online? Yes, you can; only that some times, the free access publications may not just be what you want. Again, you can get exactly what you want once you have the unlock key which is the DOI ! A DOI is an acronym for Digital Object Identifier, which is a string of numbers, letters, and symbols used to permanently identify an article or document and link to it on the web. You may also Think of it as a Social Security number for an article, mostly journals. A typical DOI is a link that should be written exactly as http://doi.org/10 then followed by numbers 10 and other annotations that could still be numbers, letters, and punctuations as the case may be. Do not forget that a DOI is your unlock key. Now, how can you use DOI as an unlock key? Go to SCI-HUB , enter the DOI c...