A new heart was his only hope for long-term survival.
No one was holding out any great hope for her long-term survival.
And it was time to take responsibility for man's long-term survival as a species.
Medical experts said the move indicated that he had little chance of long-term survival.
For long-term survival, he said, it must be lifted out of the water, something that has not been done in more than 40 years.
Still, its long-term survival is dependent on a family foundation.
Strong people like her were exactly what this colony needed for long-term survival.
Has the long-term survival of the creature's species got anything to do with it?
A large new study is providing good news about long-term survival for women with breast cancer.
Or do we face reality and serve long-term planetary survival?