| http://www.w3.org/ns/prov#value | - The SF-36 is a widely used, validated, generic HRQOL instrument composed of 36 self-reported items.13 The instrument has been tested in many patient populations and for many medical conditions, including IBS, and it was previously demonstrated that patients with IBS score significantly lower on the SF-36 than patients with other chronic medical conditions.4 The SF-36 captures several health domain
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