1.   And one has to remember that sperm counts also show a natural seasonal variation.

2.   Modern studies of Mars confirm the seasonal variations of the surface brightness, but without biological intervention.

3.   The measured seasonal variations of peroxide and ozone in clean air at Cape Grim during the experiment are contrasted in Fig.

4.   But it warned that, given the likely strong seasonal variation in attendance, it was not possible to predict future attendance or profits.

5.   Seasonal variations can distort the costing of products.

6.   It is argued that such variations could distort costing of products and also require complex systems to reflect these seasonal variations.

7.   However, it certainly shows the importance of seasonal variations on the normal diet of the people, and particularly of the poor.

8.   One major factor in causing seasonal variations in food supplies was the difficulty of storage.

9.   The interviews take place throughout the year to take account of seasonal variation.

10.   Often, however, there are regular fluctuations relating to seasonal variation.