The main challenge of vaccine control of poliomyelitis in the 1980s is in the subtropical and tropical regions of the world where "lameness" surveys in recent years have shown how very high the average annual incidence of paralytic poliomyelitis can be in both rural and urban areas in the absence of epidemics. The procedures by which oral polio vaccine (OPV) rapidly eliminated all or almost all...

This paper describes and considers explanations for changes in corporate governance and merger activity in the United States since 1980. Corporate governance in the 1980s was dominated by intense merger activity distinguished by the prevalence of leveraged buyouts (LBOs) and hostility. After a brief decline in the early 1990s, substantial merger activity resumed in the second half of the decade...

The development of modern suture material offers the dermatologic surgeon an important choice in would closure. This review, although prejudiced in some instances by the author's experience, likes, and dislikes, is an attempt to clarify the difference between various absorbable and nonabsorbable sutures. Properties of suture material are discussed in detail. Guidelines for choice in regard to w...