Mostrando 1,141 - 1,160 Resultados de 490,605 Para Buscar '"lead"', tiempo de consulta: 0.81s Limitar resultados
  1. 1141
  2. 1142
    “…Lead (Pb) poisoning has numerous effects on the erythropoietic system, but the precise mechanism whereby high dose exposure causes anemia is not entirely clear. …”
    Enlace del recurso
    Enlace del recurso
    Texto
  3. 1143
    “…Trail, Canada, has been the site of an active lead/zinc smelter for nearly a century. Since 1991, the Trail Community Lead Task Force has carried out blood lead screening, case management, education programs targeted at early childhood groups and the general community, community dust abatement, exposure pathways studies, and remedial trials. …”
    Enlace del recurso
    Enlace del recurso
    Texto
  4. 1144
    por Heinze, I, Gross, R, Stehle, P, Dillon, D
    Publicado 1998
    “…Children attending schools in urban areas with high traffic density are a high risk group for lead poisoning. We assessed the magnitude of lead exposure in schoolchildren from Jakarta by analyzing blood lead concentrations and biomarkers of heme biosynthesis. …”
    Enlace del recurso
    Enlace del recurso
    Texto
  5. 1145
    por Mielke, H W, Reagan, P L
    Publicado 1998
    “…This review shows the equal or greater importance of leaded gasoline-contaminated dust compared to lead-based paint to the child lead problem, and that soil lead, resulting from leaded gasoline and pulverized lead-based paint, is at least or more important than lead-based paint (intact and not pulverized) as a pathway of human lead exposure. …”
    Enlace del recurso
    Enlace del recurso
    Texto
  6. 1146
    por Succop, P, Bornschein, R, Brown, K, Tseng, C Y
    Publicado 1998
    “…This has motivated the researchers at the University of Cincinnati Department of Environmental Health to be guided by a theoretical model for movement of lead from distal sources (exterior soil or dust and paint lead) to proximal sources (interior dust lead) and then finally to biologic outcomes (handwipe and blood lead). …”
    Enlace del recurso
    Enlace del recurso
    Texto
  7. 1147
    “…Among U.S. children aged 1-5 years, the mean blood lead level was 2.7 microgram/dl, and 890,000 of these children (4.4%) had elevated blood lead levels. …”
    Enlace del recurso
    Enlace del recurso
    Texto
  8. 1148
    “…The Yugoslavia Prospective Study of environmental lead exposure has studied the associations between exposure to lead and pregnancy outcomes; childhood neuropsychological, behavioral, and physical development; and hematologic, renal, and cardiovascular function. …”
    Enlace del recurso
    Enlace del recurso
    Texto
  9. 1149
    por Fowler, B A, Kahng, M W, Smith, D R
    Publicado 1994
    “…High-dose lead exposure in rodents has been shown to produce pathognomonic lead intranuclear inclusion bodies and to result in an increased incidence of renal adenocarcinomas. …”
    Enlace del recurso
    Enlace del recurso
    Texto
  10. 1150
    por Verity, M A
    Publicado 1990
    “…Environmental and occupational exposure to lead still generates concern, and recent studies have focused such concern on the role of body burden of lead during the fetal/neonatal period, especially in the genesis of disturbed central nervous system development. …”
    Enlace del recurso
    Enlace del recurso
    Texto
  11. 1151
    por Freedman, R, Olson, L, Hoffer, B J
    Publicado 1990
    “…The effects of lead on the development of the nervous system are of immediate concern to human health. …”
    Enlace del recurso
    Enlace del recurso
    Texto
  12. 1152
    “…A prospective methodology was used to assess the neurobehavioral effects of fetal and postnatal lead exposure during the first 2 years of life. Lead was measured in whole blood prenatally in mothers and at quarterly intervals in the infant. …”
    Enlace del recurso
    Enlace del recurso
    Texto
  13. 1153
    por Brusick, David J.
    Publicado 1978
    “…Quantitative estimation of germ cell risk based on such available assays is difficult to make and may lead to incorrect assumptions of risk. Better assessment of germ cell genetic damage will require expansion of present procedures to increase sensitivity and the development of improved assay systems.…”
    Enlace del recurso
    Enlace del recurso
    Texto
  14. 1154
    por McCabe, E B
    Publicado 1979
    “…With the focus shifting from children with dangerously elevated body lead burdens to those with less significant exposures, increased attention has been directed to the various inherent metabolic and physical characteristics of the young that may influence the toxic effects of lead exposure. …”
    Enlace del recurso
    Enlace del recurso
    Texto
  15. 1155
    por Piver, W T
    Publicado 1977
    “…The use of a mass balance equation assists in clarifying the contribution of automotive-emitted lead to the regional and global problems of the distribution of this element, by taking into account the physicochemical transformation processes operating on the lead during its transport along the various environmental pathways. …”
    Enlace del recurso
    Enlace del recurso
    Texto
  16. 1156
  17. 1157
  18. 1158
    “…Research conducted in recent years has increased public health concern about the toxicity of lead at low dose and has supported a reappraisal of the levels of lead exposure that may be safely tolerated in the workplace. …”
    Enlace del recurso
    Enlace del recurso
    Enlace del recurso
    Texto
  19. 1159
  20. 1160
Herramientas de búsqueda: RSS