With workers under similar strains, customer satisfaction measures at United actually have been improving.

Others have found similar strains only in repeated samples from the same individual.

A similar strain of parties has emerged in the Baltic countries.

Both later proved to have had very similar strains of bird flu.

But a similar strain, Bt-10, has never been tested or approved.

Gold could not blame her, as he was feeling similar strain himself.

Berry wondered how he, himself, would stand up under a similar strain.

The polytechnics have been under a similar financial strain.

Brother Eye had detected a similar strain there.

And in 1997, he took on a role with similar strains in "Fallen."