You know when you're searching for something on the internets and you get eleven million useless results because your search term is similar to something totally unrelated?
Say you have a job on a patient with schizophrenia and the Axis II diagnosis is "Cluster A trait, MMR." You're supposed to spell out MMR but you don't know what it is, so off you go to Google (at least I hope that's what you do) and search schizophrenia cluster a trait MMR. And you get a bunch of crap about the vaccine for measles, mumps, and rubella.
"IT CRAP!" you scream, and go shoot up the Luby's.
No, no, wait. Don't do that. There is a solution.
Your original search string is good, but if you add -vaccine to it, it will filter out all that crap about the MMR vaccine. Your full Google search string will be schizophrenia cluster a trait MMR -vaccine.
You still might have to wade through a bunch of scientific twaddle, but at least it won't contain anything about vaccines! Also, you can keep adding more minuses to filter out useless results as you find them.
Now your searches will be more efficient, your mind will be serene, and the people at the Luby's don't have to worry about getting shot. :D
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