"His' Helga 'pictures, a large group of intimate portraits of a neighbor, painted over many years, were first shown publicly in 1986," the InfoPlease biography says.
The author discusses several questions related to Yuan dynasty blue-and-white porcelain vessels on the basis of previous studies by scholars and his own research findings gleaned over many years.
Chronic forms of pancreatitis can devastate a person's life over many years.
These interviews by Dennis o 'driscoll, an old friend, were carried out over many years mainly by post and must, for the time being, serve as biography and autobiography.
They are keen observers of people, and they have discipline and expertise, honed over many years, to turn observation into verifiable fact.
The position would normally require a person with skills and experience acquired over many years (for example, senior academics or scientists).
These words, repeated in this way from time to time over many years, formed links in an unbroken chain of friendship between them.
Various studies over many years have sought to identify candidate genes but so far inconclusively.
American firms used to be allowed to amortise goodwill over many years.
