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  2. Search engine - Wikipedia

    en.wikipedia.org/wiki/Search_engine

    Some engines suggest queries when the user is typing in the search box. A search engine is a software system that provides hyperlinks to web pages and other relevant information on the Web in response to a user's query. The user inputs a query within a web browser or a mobile app, and the search results are often a list of hyperlinks ...

  3. Lab Test Results Guide: Positive vs Negative, Ranges ... - WebMD

    www.webmd.com/a-to-z-guides/lab-test-results

    In this case, positive doesn’t necessarily mean “good” and negative doesn’t necessarily mean “bad.”. Instead: Positive: The lab found whatever your doctor was testing for. So if you ...

  4. World Wide Web - Wikipedia

    en.wikipedia.org/wiki/World_Wide_Web

    The results of a search for the term "lunar eclipse" in a web-based image search engine. A web search engine or Internet search engine is a software system that is designed to carry out web search (Internet search), which means to search the World Wide Web in a systematic way for particular information specified in a web search query.

  5. Identify possible conditions and treatment related to your symptoms. This tool does not provide medical advice. NEW: This symptom checker now includes the ability to select symptoms by body location. We hope this makes it easier for you to identify your symptoms and possible conditions. The tool also allows you to select multiple symptoms quickly.

  6. Contextual searching - Wikipedia

    en.wikipedia.org/wiki/Contextual_searching

    Contextual searching. Contextual search is a form of optimizing web-based search results based on context provided by the user and the computer being used to enter the query. [1] Contextual search services differ from current search engines based on traditional information retrieval that return lists of documents based on their relevance to the ...

  7. Glomerular Filtration Rate (GFR): What to Know - WebMD

    www.webmd.com/a-to-z-guides/glomerular...

    Normal Range for Glomerular Filtration Rate. An average eGFR varies by age, but in younger adults who are considered healthy, a range of 80-120 mL/min/1.73 m2 i s generally normal. GFR decreases ...

  8. What to Know About Patient Portals - WebMD

    www.webmd.com/a-to-z-guides/patient-portals-overview

    A patient portal is a secure website set up by a health care system, hospital, or clinic. The tools (or features) vary, depending on the portal. Patient portals can help you access medical records ...

  9. Web-based experiments - Wikipedia

    en.wikipedia.org/wiki/Web-based_experiments

    A web-based experiment or Internet-based experiment is an experiment that is conducted over the Internet. In such experiments, the Internet is either "a medium through which to target larger and more diverse samples with reduced administrative and financial costs" or "a field of social science research in its own right." [1]