Symptoms, once noted, may continue from a month to a year if the worm is not surgically extracted.

For humans, this parasite never makes it further than the oral cavity, and is often surgically or manually extracted.

The baby was delivered by Caesarean section at the Illinois Masonic Medical Center here on Friday, three months after the twin, which lacked a heart, had been surgically extracted.

As a result, the patient reported loss of fluid from the implant, and it was extracted surgically and replaced.

The Kryptonite is surgically extracted by Cyborg (who uses a kryptonite scalpel laser) and Martian Manhunter (who shapeshifts his fingers and gets the bullet out) and Superman regains consciousness.

Potential variations in morphology between post mortem and surgically extracted lenses were minimized by using identical preparation techniques.