[Effects of mixed cypermethrin and methylparathion on endocrine hormone levels and immune functions in rats: II. Interaction].


OBJECTIVE To study interaction of mixed pesticides cypermethrin and methyl parathion on reproductive hormones, thyroid hormones, and immune functions in rats. METHODS Eighty 2-month old Wistar rats (40 male and 40 female) were divided randomly by body weight into 8 groups. The dose 1/30 LD50 were chosen for the single or combined exposure representing… (More)