1.   For convenience, the serum sodium level is usually taken as the estimate of tonicity.

2.   In patients with an increased total body sodium content, administration of salt to increase serum sodium level is inappropriate.

3.   Another possibility is to top up sodium levels by adding salt to bottled water.

4.   But the sodium level runs high.

5.   One too many harangues from a parent about the sodium levels in the taco sauce could be all it takes ....

6.   She said it was low in fat, loaded with vegetables and has the lowest sodium level of any dish at any of the restaurants surveyed.

7.   The moth makes the most of his tippling, raising his internal sodium levels to more than eight times that of a nonpuddling Gluphisia.

8.   The resulting high sodium level increases your desire to drink.

9.   They weigh the calorie count against the bran content, the sodium level against the grams of fat, and timorously return the item to the shelf.

10.   A woman died two years ago of low sodium levels.