Limb reduction and chorion villus sampling

Upper limb reduction was diagnosed by ultrasound scan at 17 weeks after chorion villus sampling at 9 weeks' gestation. Pregnancy was terminated and necropsy confirmed limb reduction in an otherwise normal fetus. The relationship of limb reduction to amniotic band syndrome is discussed.     

Online-Patentrecherchen — schnelle Antworten auf kritische Fragen

Online searching in publically available patent files opens up interesting possibilities to provide a rapid response to critical questions. A computerized analysis of all patents of leading German pharmaceutical companies over the last decade in important indication areas is described. Supported by subsequent manual processing of individual patents it is shown that duplicate experiments on animals practically never occur.     

Native fluorescence of unstained cryo-sections of the cervix uteri compared with histological observations

The excellent technical assistance of H. Führer and I. Leib is appreciated. Part of the work was supported by the Bundesministerium für Forschung und Technologie, the Deutsche Forschungsgemeinschaft, the Fonds der Chemischen Industrie, and from the Leitz and Hoechst companies. This paper is part of the M. D. thesis of Ch.L.     

排污许可证交易的理论与实践

排污许可证交易是市场经济体制下控制污染的有效措施。本文对排污许可证交易的基本理论、排污许可证交易的优点、排污许可证交易的可行性、排污许可证的交易方式、排污许可证的交易程序、初始排污权分配、交易资金的使用等问题进行了探讨。