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3821
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3822
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3823
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3824“…Naturally occurring environmental substances often mimic endogenous substances found in mammals and are capable of interacting with specific proteins, such as receptors, with a high degree of fidelity and selectivity. …”
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3825
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3826“…This study demonstrates the ability of tar isolated from environmental tobacco smoke (ETS) to nick DNA in mammalian cells. …”
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3827
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3828por Walter, S D“…This paper summarizes the salient features of the ecologic method, with emphasis on its application in the study of environmental health. Various types of ecologic design are described, with examples. …”
Publicado 1991
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3829
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3830“…The toxic action of environmental chemicals on reproduction and the toxiclike effects of ovarian hormones have been shown by numerous investigators. …”
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3831por Piscator, M“…To predict future health risks from increases in dietary cadmium due to environmental changes such as acid deposition, it is necessary that the models used are based on correct assumptions. …”
Publicado 1985
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3832“…Electron-impact (EI) and negative chemical ionization (NCI) mass spectrometry were used, and their application in environmental analyses documented. NCI shows increased sensitivity to all PCDFs and PCDDs except for 2,3,7,8- and other tetra-CDD isomers. …”
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3833
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3834por Thomas, D C“…Point-source environmental hazards are often identified by examination of unusual clusters of disease cases. …”
Publicado 1985
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3835por Enterline, P E“…Extrapolation from occupational data to general environmental exposures gives some interesting results, and these results might be useful in our decision-making process. …”
Publicado 1981
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3836por Wyrobek, A J“…These sperm tests have numerous advantages over other approaches for assessing spermatogenic damage, and they have already been used to assess the effects of at least 85 different occupational, environmental, and drug-related chemical exposures. When carefully controlled, seminal cytology appears to be statistically more sensitive than the other human sperm tests and should be considered an integral part of semen analysis when assessing induced spermatogenic damage. …”
Publicado 1983
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3837
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3838“…The ciliated protozoan, Paramecium, can be used to quantitate cytotoxic and genotoxic effects of ingested complex environmental particles. Cytotoxicity is quantitated by the increased proportion of treated versus control cells which do not retain their capacity for normal cell replication. …”
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3839
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3840