Titlebook: Methods in Angiology; A Physical-Technical Marc Verstraete (Professor of Medicine) Book 1980 Martinus Nijhoff Publishers bv, The Hague 1980

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R. Verhaeghes. This review paper shows that . has several such adaptations, including increased number of gonads and offspring, synchrony of hatching with host larval hatching, facultative parthenogenesis, and mating. Other nemerteans show different, but comparably adaptive, reproductive modifications for paras

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K. L. Gouldtural and/or functional nature. Teratology, until the early 1970s, was concerned almost exclusively with the production of gross structural malformations with little focus on functional manifestations (Hutchings, 1978). In these last years, a newer aspect of teratology, focused on function instead o

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John A. Dormandytes. Some of the effects of these chemicals are short-lasting and rapidly reversible; others, especially those that cause structural damage to the nervous system, may result in permanent damage to the organism. The nervous system has several levels of vulnerability to toxic substances. Some substanc

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E. Zeitler,R. Grosse-Vorholtg time. They have, however, never been used on large scale, because they are susceptible to rapid degradation in the environment. Around 1950 several derivatives of the pyrethrins have been synthesized, e.g. allethrin, but these compounds had little advantage over the natural product. It was not unt

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