INTRAVENOUS CHRONIC TOXICITY OF LENTINAN IN RATS : 6-MONTH TREATMENT AND 3-MONTH RECOVERY
نویسندگان
چکیده
منابع مشابه
Results of a 28-month chronic inhalation toxicity study of formaldehyde in male Fisher-344 rats.
Male F-344 rats were exposed by inhalation to gaseous formaldehyde at 0.3, 2, and 15 ppm 6 h/day, 5 days/week for 28 months. Nasal tumors were macroscopically evident in the 15 ppm group from the 14th month and 8 of 32 rats bore such tumors at the 24th month. Histopathological examination revealed both squamous cell papillomas and carcinomas. No nasal tumors were observed in the lower exposure ...
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ژورنال
عنوان ژورنال: The Journal of Toxicological Sciences
سال: 1980
ISSN: 0388-1350,1880-3989
DOI: 10.2131/jts.5.supplement_33