Knol is Google's answer to Wikipedia, the free encyclopedia. But there are differences. Each article in Knol is a Treasury of authoritative articles on specific articles by experts, whose is furnished.
Just to satisfy by curiosity, I clicked 'Low Back Pain' and found a useful and authoritative article by Dr.Roger Chou, M.D.,with sub-topics as below:
Introduction
What causes low back pain?
What are risk factors for low back pain?
What is the prognosis of low back pain?
How should low back pain be evaluated?
How should low back pain be treated?
Where to get more information
References
What causes low back pain?
What are risk factors for low back pain?
What is the prognosis of low back pain?
How should low back pain be evaluated?
How should low back pain be treated?
Where to get more information
References
So I feel very happy to welcome Knol. Now we have one more free encyclopedia on the Net besides Wikipedia. Congratulations Google for your user-friendly, endless innovative products!
If you want to access Knol, just click:
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