Therapy is not a guaranteed test in humans because there are intractable pains which fail to respond to any known therapy.

The patient presents with intractable pain or ocular angina.

Patients may complain of intractable pain in the neck or the back of the head.

Medical historians believe this may have contributed to the coining of the expression, "intractable pain."

Its epidural use for pain during heart attack, postoperative and intractable pain has also been studied extensively.

He was a pioneer in advancing spinal cord stimulator for the treatment of intractable pain.

Dr. Paulson said he has had very rare patients with intractable pain.

Many reasonable people agree that a person should be allowed to die, rather than suffer from intractable pain of a terminal illness.

In the first years following the shooting Moreno was bedridden with intractable pain.

Have you ever spent much time in the company of someone with real deep, chronic intractable pain?