Using nitroglycerine to trigger migraine attacks, we investigated whether cranial allodynia could be triggered experimentally, observing its response to treatment.

"It would clearly be too risky for them; like using nitroglycerine in ton-lots in rocket engines-onlyworse."

"A man who knows how to use nitroglycerine," retorted Hemingway, gruffly, "also knows that it's against the law to ship nitroglycerine unlabeled.