CHICAGO (AP) — Accidental poisonings from squishy laundry detergent packets sometimes mistaken for toys or candy landed more than 700 U.S. children in the hospital in just two years, researchers report. Some manufacturers already have revised packaging and labels in efforts to make the detergent packets or "pods" safer for children. Exposure to household cleaning products is among the top reasons for calls to poison centers involving young children. Many calls involve regular laundry detergent, which can cause mild stomach upsets, but poison center experts say the new concentrated laundry packets seem to cause more severe problems. Dr.