… It begins with the original observations of Djourno and Eyriès, the first animal and human
studies, and the early work of House and Urban with a small sample of subjects. The problems, …

The case of a 51-year-old woman with an acoustic neuroma in her only hearing ear is presented.
At the time the tumor was removed, May 24, 1979, a depth electrode was implanted In …

• A new approach to tumors of the skull base is described. This approach is accomplished
by forward extension of the translabyrinthine opening into the cerebellopontine angle. The …

Approximately 20% of patients with congenital sensorineural hearing loss have radiographic
abnormalities of the inner ear. A broad spectrum of anomalous patterns have been …

… House’s results are no different from those of previous workers except that the criteria
applied to the definition of success have been lowered. Enthusiastic testimonials from …

Concentrations of contaminants in fresh waters are controlled, not only by point and diffuse
sources within the catchment, but by a multitude of biogeochemical reactions (riverine …

Geographic patterns of trace element problem areas may involve broad regions where the
problem is almost universal on all the agricultural lands. Studies of the anomalous …

We suggest a new explanation for the lack of auditory response to electric stimulation in
children with cochlear implants: The very narrow internal auditory canal, 1 to 2 mm in diameter, …

II. The Informal Sector and Its Role in the Urban Economy In developing countries the problem
of rapid urbanization due to high rates of in-migration and the very much slower growth of …

A river sediment was treated to obtain different oxic conditions, and the phosphorus status
investigated by experiments in which KH 2 PO 4 was added to suspensions in calcium …