Ligusticum porteri

BACKGROUND Occupational heat stress is a major concern in sugarcane production and has been hypothesized as a causal factor of a… (More)

Lead, cadmium and mercury were measured in placental tissue, umbilical cord and maternal blood samples of 1578 women who… (More)

The presence of dimeric phthalides and other constituents in extracts of the vegetal species Ligusticum porteri was established… (More)

The goals of this study were (a) to assess the extent to which construction industry workplace injuries and illness are… (More)

OBJECTIVES To evaluate noise exposures and hearing loss prevention efforts in industries with relatively high rates of workers… (More)

Current OSHA standards for naphthalene exposure are set at 10 ppm (time-weighted average) with a standard threshold exposure… (More)

Continuous ozone exposure at 0.3 ppm (v/v) (US-OSHA Threshold Limit Value for short term exposure) inhibited aerial mycelial… (More)

OBJECTIVES To evaluate alternative models and estimate risk of mortality from lung cancer and asbestosis after occupational… (More)

Approximately one hundred nonsmoking individuals in each of 16 metropolitan areas of the United States collected a sample of air… (More)

This report updates the risk assessment by Crump and Allen (1984) for benzene-induced leukemia that was used by OSHA (1987) to… (More)