These days, however, a main source of irritability is an unlikely subject: the public library.
By declining to offer fresh food, they eliminated a main source of waste.
That would dampen a main source of consumer demand over the last two years.
Court appointments have long been a main source of patronage for the politically connected.
And European interest in acquisitions in the United States, a main source of capital inflow, is diminishing.
Flies, honeybees and ants are becoming a reference point in neuroscience and a main source of inspiration for autonomous robot design issues and control algorithms.
It's by no means a main source of income.
But it also served as a main source of funding for their besieged government.
Indeed, there are differences related to the age and gender of the studied animals; moreover, blood sampling procedures differed among studies, and this is a main source of variability in reference values [5].
In fact, within 7 years after FDA approval, only half of a drug's serious post-marketing AEs was listed in the Physician's Desk Reference, a main source of AE information for many prescribers [ 5].
