A large number of aged Americans depend on Social Security benefits to stay out of poverty. Those who have very small Social Security checks, or who have none at all, rely heavily on the Supplemental Security Income (SSI) program for much of their income. Most aged SSI recipients have earnings histories to explain their lack of adequate Social Security benefits. Information on these histories w...

In 1939, the original Social Security Act was amended to require that eligibility for benefits and payment amounts would be determined based on quarters of coverage (employment) and annual wages. These amendments required the Social Security Administration (SSA) to develop a recordkeeping system that collected quarterly wage and salary amounts for workers covered by the Act. The Continuous Work...

Optical coherence tomography (OCT) imaging has become widespread in ophthalmology over the past 15 years, because of its ability to visualize ocular structures at high resolution. This article reviews the history of OCT imaging of the eye, its current status, and the laboratory work that is driving the future of the technology.

The History and Work of the Army Medical Library: Special Articles: LIEUTENANT COLONEL EDGAR ERSKINE HUME ............ 207 Localized Cortical Growth as the Immediate Cause Waves and Corpuscles in Quantum Physics: ALFRED of Cell Division: DR. A. M. SCHECHTMAAN. How LANDt ..210 Consistent are an Individual's Brain Potentials Obituary: from Day to Day?: PROFESSOR LEE EDWARD TRAVIS Sara Gwendolen A...

The best known of the nation's welfare programs, Aid to Families with Dependent Children (AFDC), has from its inception reflected a tension between the desire to support children in poor, lone-parent families and the belief that parents should be held responsible for providing for themselves and their children. Against that backdrop, this article reviews the history of the AFDC program and trac...

In an evaluation of the usefulness of collecting work exposure information from wives of workers, 26 husband-wife pairs were interviewed separately about exposure of the husband to organic solvents. There was 58% concordance between the husbands and wives for answers to a simple question regarding solvent exposure. Amplification of these answers through the use of a computerized occupation-expo...

The life history, behavior and morphology of the immature stages of Enochrus quadripunctatus Herbst from Iran are studied. The results of the work on the life history and behavior of this species in the immature stages and as newly-emerged adults have been presented as part I. The morphology of the egg cases, larvae, pupae, and the male genitalia of the adult is covered in the present work....