A scanning electron microscope view of macrophages and lymphocytes. The macrophages with projectile-looking surfaces are interacting with lymphocytes, which are rounded. Magnification x1040.

Single Non exclusive use on print marketing materials up to 50,000 and digital copies, includes: brochure, catalog, flyer, newsletter, and other collateral printed pieces + web usage. Worldwide (excludes advertising) for 5 years.