Downloads All our documents available for public download, all in one place, organized by categories. Order forms US Order form Download this form if you are a veterinarian or a cat guardian located in the US. International Order form Download this form if you are a veterinarian or a cat guardian located outside the US. Documentation Package insert Polyprenyl Immunostimulant™ package insert. Treatment brochure Feline Rhinotracheitis (FRV) treatment brochure. Dosage Card Polyprenyl Immunostimulant™ Dosage card for Rhinotracheitis.