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. Author manuscript; available in PMC: 2011 Mar 15.
Published in final edited form as: Toxicol Lett. 2010 Jan 4;193(2):138–143. doi: 10.1016/j.toxlet.2009.12.017

Table 1.

Comparison of rates of cortical slices showing epileptiform activity following postnatal exposure of rats to 0.9% NaCl, 0.75 or 1.5 mg/kg/day MeHg for 15, 30 days or 30 days plus extra 30 days of observation.

Treatment
(Day)		 Control
(0.9% NaCl)		 MeHg
(0.75 mg/kg/day)		 MeHg
(1.5 mg/kg/day)
15 0% (0/10)# 0% (0/10) 14.3% (1/7)
30 0% (0/10) 45.4% (5/11) 44.4% (4/9)
60 0% (0/10) 50.0% (6/12)** 60.0% (6/10)**
#

The number of rats from all animals examined showed epileptiform activity.

Differences between control and MeHg treated groups are statistically significant (* p < 0.05, ** p < 0.01).