Assertion: formaldehyde's activity | /r/HasProperty | detected in the mouse spot test
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Source sentences:
text: No systemic gene mutagenic activity was detected in the mouse spot test (Jensen et al., 1982) when dams received dynamic exposure for 6 h/day at gestation day 8, 9 and 10 at concentration levels of 0, 6, or 18 mg/m³ (0, 5, or 15 ppm).