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In 1973 the United States Supreme Court ruled that abortion could be had practically on request during the first 3 months of pregnancy. This article discusses whether the decision led to more public support for that position, and where in the U.S. the increase in support has been most drastic. The most recent public opinion polls indicate about 60% public support legalized abortion, while it was only 45% before 1973. Support has also increased even if pregnancy is not judged to be detrimental to the mother's health, or if it is not the result of rape and/or incest, but even if it is simply requested for economic or purely personal reasons. People under 30, with college education, men and Protestants, seem to be the staunchest supporters of abortion on demand. There has also been an increase in the number of Catholics supporting abortion. Support for abortion increased in most states between 1969-1973, particularly in the West and in the Northwest. The fight to deny federal funds for abortion is still raging in Congress; some studies indicate that the religion of the legislators is the most powerful predictor of voting on abortion, and that the decision is a very personal one, and not easily altered by the lobbying of groups on either side.  相似文献   
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The results of a study of the polymorphism of the sixth component of human complement by means of isoelectric focusing in polyacrylamide gels with subsequent C-dependent lysis in an agarose overlay containing C6 deficient rabbit serum are reported. The allele frequencies obtained (C6A = 0.613, C6B = 0.379, C6R = 0.008) are in good agreement with those previously published. The mode of inheritance in 47 families with 173 offspring as well as 26 mother-child combinations is in agreement with a formal genetical model: "C6A, C6B, C6A1 and C6B1 at an autosomal locus". The inclusion of this system into a blood group expertise in Germany can be recommended.  相似文献   
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The specific gravity and buoyancy of 98 men were calculated at various lung volumes. The data indicated that all subjects would be capable of floating in either freshwater or seawater at total lung capacity. At functional residual capacity, the value approximating the lung volume of a recently dead body, 69% of the subjects would float in seawater, whereas only 7% would float in freshwater. Results of this study indicate that while drowned bodies are more likely to sink than bodies dead of other causes, no conclusion regarding the cause of death can be made on the basis of whether bodies float or sink.  相似文献   
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Book reviews     
A. L. Meiendorf, Optimizatsiya khozyaistvennykh reshenii: metod analiza prirashchenii. Series: Aktual'nye problemy sel'skogo khozyaistva. Moscow: ‘Ekonomika’, 1976.

Oliver H. Radkey, The Unknown Civil War in Soviet Russia. A Study of the Green Movement in the Tambov Region, 1920–21. Stanford, Calif.: Hoover Institution, 1976. xiv+457 pp. $12.95.

Roy and Zhores Medvedev, KhrushchevThe Years in Power. London: OUP, 1977. xi+198 pp. £3.95.

Daniel F. Calhoun, The United Front: the TUC and the Russians, 1923–1928. Cambridge: CUP, 1976. 450 pp. £10.50.

Gabriel Gorodetsky, The Precarious Truce. Anglo‐Soviet Relations 1924–27. Cambridge: CUP, 1977. 289 pp. £9.00.

Herbert S. Dinerstein, The Making of a Missile Crisis: October 1962. Baltimore and London: Johns Hopkins UP, 1976. 302 pp. $14.95.

Donald R. Kelley, Kenneth R. Stunkel, Richard R. Wescott, The Economic Superpowers and the Environment: The United States, The Soviet Union, and Japan. San Francisco: W. H. Freeman & Co., 1976. 335 pp.

Fred Singleton (ed.), Environmental Misuse in the Soviet Union. New York and London: Praeger Publishers, 1976. xvii+103 pp. $13.50. £8.80.

Peter H. Juviler, Revolutionary Law and Order. Politics and Social Change in the USSR. New York: The Free Press, and London: Collier MacMillan, 1976. xii+274 pp. £11.05.

Richard Szawlowski, The System of the International Organizations of the Communist Countries. Leyden: A. W. Sijthoff, 1976. 322 pp.

Jürg Meister, Soviet Warships of the Second World War. London: Macdonald & Jane, 1977. 348 pp. £7.95.  相似文献   

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