Susann Thieme

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Environmental chemicals with inherent estrogenic activity are supposed to be responsible for the decrease of quantity and quality of human sperms during the past 40 years. The current hypothesis is that estrogenic agents acting during fetal life may lead to impaired development of the testes and of the male reproductive tract in the human as well as in(More)
Ornithobacterium rhinotracheale (ORT) is an economically important bacterial pathogen of turkeys and chickens worldwide. Since its first detection, a variety of typing methods have been used to gain basic knowledge about the bacterial population structure, an issue that still needs to be addressed. Serological characterization revealed at least 18 different(More)
Various methods are used to analyze regional population trends in the East German county of Potsdam. Data are for the period 1968-1980 and concern 754 villages. Areas with similar population trends are identified. Special attention is given to areas of low or high migration. (SUMMARY IN ENG AND RUS)
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