You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "what is the normal clotting time for blood?" whose answer is 8 to 15 minutes.
Each document should contain about 30 words, and these documents should contain useful information.

Query: normal clotting time for blood
Useful Output:

Doc 1: Normal bleeding time:  Times greater than 5 minutes in the Duke method and 10 minutes in the IVY method are concerning for coagulopathy.
Doc 2: Normal PTT values range from 25 to 35 seconds. Prolonged PTT may signify deficiencies in these clotting factors, hemophilia, or the presence of
Doc 3: In a clotting time test, normal clotting time ranges from 8 to 12 minutes. Prolonged clotting time may indicate a coagulation disorder, while
Doc 4: What Abnormal Results Mean · Depending on why you are taking the blood thinner, the desired level may be different. · When your INR is from 2.0 to
Doc 5: It is your time for your blood to clot (as compared to the average for all persons). It is described in seconds. · “””” Clotting time is the time