title: AGE FACTOR IN ADAPTATION OF VACCINIA VIRUS TO MOUSE BRAIN.
mesh_terms: D000367:Age Factors; D000375:Aging; D000818:Animals; D001921:Brain; D007274:Injections, Intraperitoneal; D007278:Injections, Spinal; D051379:Mice; D012106:Research; D014616:Vaccinia virus
keywords: AGING; BRAIN; EXPERIMENTAL LAB STUDY; INJECTIONS, INTRAPERITONEAL; INJECTIONS, INTRATHECAL; MICE; VACCINIA VIRUS