منابع مشابه
The growth and expansion of Pediatrics: 1948 to 1998.
L aunched in 1948 with 2200 subscribers, Pediatrics is now received monthly by more than 60 000 direct subscribers from around the world. A total of 20 000 to 30 000 additional readers receive foreign-language translations regularly, and the Internet extension of the Journal receives 20 000 individual visitors each month. This type of growth over the past 50 years has made Pediatrics the leadin...
متن کاملFatality trends in United Nations Peacekeeping Operations, 1948-1998.
CONTEXT The rising number of deaths among United Nations (UN) peacekeeping forces after the Cold War has made some troop-contributing countries hesitant to participate in peacekeeping operations. While the number and scale of missions have increased, no data have demonstrated a parallel increase in risks to peacekeepers. OBJECTIVE To determine the association of characteristics of UN peacekee...
متن کاملOverlapping Generations: The First Jubilee
Paul Samuelson’s (1958) overlapping generations model has turned 50. Seldom has so simple a model been so influential. Its “wow” factor, and the feeling of surprise at its originality and coolness have not paled with the years. The paper, in spite of its ripe age, still elicits wonder. Starting from the uncontroversial observation that “we live in a world where new generations are always coming...
متن کاملThe Sabbath and Jubilee Cycle
he two-invasion hypothesis suffers from numerous defects. When pressed with the demand for proof, its advocates admit that real evidence is lacking. Rather, its premise is a matter of interpretation and possibilities. An examination of the reasoning process and the interpretations of evidence used to support this second invasion hypothesis reveals that it has little merit. What are presumed as ...
متن کاملThe golden jubilee of vaccination against poliomyelitis.
Inactivated poliovirus vaccine (IPV), developed in the USA by Jonas Salk in the early 1950s, was field tested in 1954, and found to be safe and effective. The year 2004 marks the golden jubilee of this breakthrough. From 1955 IPV was used extensively in the US and polio incidence declined by more than 95 per cent. However, in 1962, when oral poliovirus vaccine (OPV) became available, the nation...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: British Dental Journal
سال: 2000
ISSN: 0007-0610,1476-5373
DOI: 10.1038/sj.bdj.4800566