Dr. Kassai Tibor - Dr. Murai Éva szerk.: Parasitologia Hungarica 7. (Budapest, 1974)

1912 PIRETRIN "89-PHYL" Insecticide-powder Piretrin flower's extract containing insecticide of high and long lasting efficiency due to its synergetic constituents, harmless for humans and domestic animals.Safe and effective for ectoparasites of dogs, cats, birds, livestock and flies, ants, black-beetles of flats, canteens, restaurants and groceries. PHYLAXIA Veterinary Biologicals and Feedstuffs Budapest — Hungary