Leukopenia secondary to leukocytic agglutination is caused by an ethylene diamine tetra acetic acid (EDTA) which may appear in both benign and malignant states. Ethylene diamine tetra acetic acid induced platelets clumping in peripheral blood has been well established. but invitro leukocytic aggregation is very rarest hematological finding. Pseudo-leukopenia resulting from leukoagglut... https://www.roneverhart.com/Liftmaster-CSL24UL-Slide-Gate-Opener/