From 1981 to 1994, the annual number of mammograms performed in Canada increased from less than 200,000 to more than 1.4 million. By 1994, about three in five women aged 40 and over reported having had a mammogram at some time in their lives. Most of the increase that occurred between 1985 and 1991 was because of greater use of mammography for breast screening. In the early 1990s, the annual nu...

Averaged evoked potentials were recorded from the outer molecular layer of the denate gyrus in freely moving rats undergoing tests of stimulus generalization during performance of an auditory discrimination task. Results indicated that the two major negative components (N1 and N2) were reciprocally related to the degree of stimulus generalization as indicated by the behavioral response gradient...

Egypt's President A n w a r Sadat was shot d u rin g a m ilita ry ’ parade Tuesday. See re lated story a t right. (AP p h o to ) CAIRO. Egypt (A P ) — President Anwar Sadat, whose peace w ith Is­ rael changed the course o f M iddle East history, was assassinated yester­ day by six Egyptian soldiers w ho jum ped from a jeep on m ilita ry parade and charged the review ing stand fir in g autom ati...

Four hundred and seventy cases of meningitis caused by Haemophilus influenza in children and 30 cases in adults were identified in Sweden between 1981 and 1983. The age specific incidence in the most susceptible age group (0-4 years) was 31/100,000/year (440 cases), which is higher than previously reported from Europe. A further 30 cases were seen in children aged 5-14. The risk of developing H...

Forty-nine States, Puerto Rico, and the District of Columbia were in legislative session during 1981 .' Deliberations resulted in the introduction of more than 1,500 proposals and enactment of more than 100 laws dealing with workers' compensation . Coverage and benefits were addressed in most of the amendments as in previous years. Numerous administrative changes were also made and medical and ...

In fiscal year 1982, Federal, State, and local governments spent $592.6 billion for public social welfare purposes.r This was an increase of $42.1 billion, or 7.6 percent, over the amount spent on social welfare the previous year. Measured in constant dollars, such expenditures rose 1.7 percent from 1981 to 1982. Social welfare spending represented 19.3 percent of Gross National Product (GNP) i...

Imagine that you get such certain awesome experience and knowledge by only reading a book. How can? It seems to be greater when a book can be the best thing to discover. Books now will appear in printed and soft file collection. One of them is this book state approved schools of nursing r n 1998. It is so usual with the printed books. However, many people sometimes have no space to bring the bo...

Within 1 year of the initial report in 1981 of a deadly new disease that occurred predominantly in previously healthy persons and was manifested by Pneumocystis carinii pneumonia and Kaposi's sarcoma, the disease had a name: acquired immune deficiency syndrome (AIDS). Within 2 years, the causative agent had been identified: human immunodeficiency virus (HIV). On the 30th anniversary of the epid...