Provocation (medical)
Encyclopedia
A provocation test, also called a provocation trial or provocation study, is a form of clinical trial
Clinical trial
Clinical trials are a set of procedures in medical research and drug development that are conducted to allow safety and efficacy data to be collected for health interventions...

 whereby participants are exposed to either a substance or "thing" that is claimed to provoke a response, or to a sham substance or device that should provoke no response. An example of a provocation test, performed on an individual, is a skin allergy test
Skin allergy test
Skin allergy testing is a method for medical diagnosis of allergies that attempts to provoke a small, controlled, allergic response. -Process:A microscopic amount of an allergen is introduced to a patient's skin by various means:...

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