Course development is frequently a time-consuming endeavor, particularly for the first offering of a course.
If a woman notices that symptoms occur frequently within a time span of 5 days before a period is due or begin up to 15 days before, she must inform her physician for further medical management.
He changed prep schools frequently and for a time was homeschooled.
The blitz is frequently cited as a time when stoical Britons "pulled together" in defence of their way of life.
The medieval period is frequently caricatured as a "time of ignorance and superstition" that placed "the word of religious authorities over personal experience and rational activity".
Thus, GPS is well suited to study exposures and outcomes that occur frequently enough during a time frame during which subjects can reasonably be expected to participate.
It is known that consultations that include psychological problems take more time [ 24, 25], and doctors experience more frequently a lack of time [ 25].
Today employees are hired through a complex chain of outsourcing outfits, often for days or hours at a time, frequently robbed of their pensions, and receive death threats for joining or attempting to form unions.
In most studies, only one pollinator species was investigated at a time, frequently in very specialized model systems, often the sexually deceptive pollination systems of orchids (Schiestl, 2005; Schiestl and Schlüter, 2009).
