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Guinea pigs were exposed inhalation chambers to 25 mg/m3 sulfuric acid mist 6 h/d for 2 d, and the acute respiratory effects were correlated by light and electron microscopy. This concentration of acid was selected since lower concentrations result in only slight effects while higher concentrations
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To determine mortality caused by inhaled sulfuric acid mist, groups of Hartley guinea pigs 2-3 mo old were exposed for 8 h to graded concentrations of aerosols of 0.4 or 0.8 microm mass median aerodynamic diameter. Relative humidity during exposures was maintained at 70-80%. Based on probit
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We report a case of intracerebral hemorrhages due to sporadic cerebral amyloid angiopathy in a 43-year-old male with a luxuriant giant cell reaction. The amyloid was resistant to potassium permanganate-sulfuric acid oxidation and reacted with an antiserum to synthetic beta-protein. The distribution
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BACKGROUND
Acids account for 20% of all chemical exposures through various routes. Caustic acids such as hydrochloric and sulfuric acid are common ingredients in many household and industrial products. Due to the corrosive properties of these substances, tissue injury caused by oral exposure can
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BACKGROUND
Inhalation injury can be thermal and/or chemical. We report bilateral pneumothorax following acute inhalation injury.
METHODS
A male worker in an upholstery factory was confined in the tanning machine for 15 min. The device was used to contain sodium sulfate, sulfur dioxide, and sulfuric
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The objectives of this study were to examine the respiratory irritancy of boron trifluoride (BF(3)) and fluorosulfonic acid (FSA) following acute inhalation exposure. Testing was conducted using groups of 10 male and 10 female rats (BF(3)) or groups of 6 male rats (FSA). Rats were exposed for a
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Ninety-nine isolates of Fusarium species were obtained from rotted potato tubers from various parts of Korea. Of these isolates, 80 were identified as Fusarium oxysporum, F. solani, or F. sambucinum. The isolates of these species were grown on autoclaved wheat grains and examined for toxicity in a
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Chemical colitis can occur as a result of accidental contamination of endoscopes or by intentional or accidental administration of enemas containing various chemicals. Most cases have occurred after accidental contamination of endoscopes with glutaraldehyde and/or hydrogen peroxide. There have been
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