PHOTOGRAPHIC DETECTION OF BANDS IN GEL-DIFFUSION PRECIPITIN TESTS WITH VIRUSES.
D005779:Immunodiffusion; D010781:Photography; D010784:Photomicrography; D010942:Plant Viruses; D011233:Precipitin Tests; D012106:Research; D014466:Ultraviolet Rays; D014780:Viruses
EXPERIMENTAL LAB STUDY; GEL DIFFUSION TESTS; PHOTOMICROGRAPHY; PLANT VIRUSES; PRECIPITIN TESTS; ULTRAVIOLET RAYS