Because of Jena's remote location, qualified personnel have been difficult to obtain, Dr. Ray said.
They also recognize, though, that there are good reasons it has been difficult to obtain such a translation.
Precise intelligence on the situation on the Afghan side of the Amu Darya has been difficult to obtain and impossible to verify.
News of Tibet has always been difficult to obtain because much of the region lies on a remote plateau above 15,000 feet that is ringed by mountains.
But for much of this year, the current anesthetic of choice, propofol, has been difficult to obtain because of its own production difficulties.
But Sundance also wanted to give American-made independent film a lift in Europe, where distribution has traditionally been difficult to obtain.
In Beijing, for much of this year, it has been difficult to obtain corporate records from the local bureau of the S.A.I.C.
Unfortunately, it has been difficult to obtain a consistently effective product, and there are not good methods of assaying the potency of one serum compared with another.
Many criticisms were leveled at the scheme, and as a blanket operation it inevitably acquired a certain amount of trivia; but many research libraries have benefited by the acquisition of materials that otherwise would have been difficult to obtain.
The drying-up lakes have forced restaurants to close and have led to such heavy plant growth in the river that it has been difficult to obtain accurate measurements of the flow using regular stream gauges.
Rochelle Sobel, founder of the Association for Safe International Road Travel, a nonprofit advocacy group based in Rockville, Md., said it had been difficult to obtain reliable traffic data from other countries.
