. Author manuscript; available in PMC: 2011 Jan 1.

Published in final edited form as: Environ Mol Mutagen. 2010 Jan;51(1):80–88. doi: 10.1002/em.20515

Table I.

Body Weight Changes for Rats Following Treatment with MPH for 28 Days by Gavage^a

Treatment	Dose (mg/kg/day)	Body Weight Change in grams (%)
Water^b		62.3 ± 14.55 (22.5)
MPH	2	62.6 ± 10.13 (22.7)
	10	62.1 ± 12.29 (22.6)
	25	62.4 ± 15.87 (22.3)
EMS^b	100	−14.3 ± 7.07 ^c (−4.1)

Data presented as mean ± standard deviation. Body weight changes were measured from the beginning of dosing to the end of study (28 days for vehicle and MPH-treated rats; 3 days for positive control rats).

Vehicle, deionized water; positive control, EMS (ethyl methanesulfonate).

p<0.05 compared to vehicle control.