Also the variations recur with perfect regularity.
The headache lasts from 15 minutes to four hours and may recur several times in a day.
However, allergic conjunctivitis will likely recur if the individual again comes into contact with the particular allergen.
Again, all accounts of diphtheria show a tendency on the part of the disease to recur in the same districts year after year.
Floor slabs may be regarded as wide and shallow beams, and the remarks made about the stresses in the one apply to the other also; accordingly, the various devices which are used for strengthening beams recur in the slabs.
