It should be done only in exceptional circumstances, and backed by exceptional efforts.
More sophisticated testing should be done only in patients with known heart risks.
But this, he said, should be done only as a last resort.
Exploring the differences can and should be done only on a track.
The franchise can be returned to felons, but this should be done only on a case-by-case basis.
Traditionalists might argue that gardening — like baseball and dueling with pistols — should be done only outdoors, on open ground.
This, though, should be done only as part of a joined-up plan to ensure that banks are properly capitalized.
But some doctors say such transplants should be done only as part of rigorously designed studies to determine whether the procedure is truly effective.
However, Dr. Gold, the former Vanishing Point owner, rejects the conclusion of his peers that high-tech beauty should be done only by physicians.
They say the sampling should be done only in the most serious crimes, as opposed to cases like civil disobedience and subway turnstile jumping.
The practice is not compulsory and some Shia authorities prohibit it, while others say it should be done only if certain conditions are met.
