The following landing sites were chosen for these missions, planned to occur at intervals of approximately four months through July 1972.

As it's now over the recommended interval of three months, go to a clinic and have a test.

The second and third doses should be separated by an interval of at least 2 months.

A second dose was given after an interval of 2-3 months.

Then there would have been a decorous interval of a year or at least six months.

Each test must have an interval of 6 months (same standards apply for reservists).

The pupils were given two parallel tests on some length criteria at an interval of two months.

Your loan holder can grant forbearance in intervals of up to 12 months at a time for up to 3 years.

One issue left unresolved yesterday was whether the new limits could be reset at intervals of less than six months.

Daily flights between the island and the mainland have resumed after an interval of over six months.