Instructions: Given an abstract, generate a keyword (a noun phrase) that best describes the focus or contribution of the paper. Such keywords can be directly from the given abstract or outside it.
Input: Abstract: Three case presentations illustrate that the clinical signs and symptoms of occipital neuralgia may be produced by myofascial pain. Assessment of myofascial trigger points is needed before making a diagnosis of occipital neuralgia. Myofascial trigger points can be effectively treated with minimally invasive procedures, thereby avoiding irreversible surgical interventions.
Output:
Adult