Fig. 2. The body weight changes following the administration of the vehicle control (corn oil) and phthalate esters (diesters, 500mg/kg bw/day; monoesters, 250mg/kg bw/day) to Sprague-Dawley male rats for two weeks (A, phthalate diesters; B, phthalate monoesters) . The data is expressed as the mean ± SD, as calculated for ranges of five to six rats. * Significantly different from the control group at P < 0.05. ** Significantly different from the control group at P < 0.01.