Aging and gastrointestinal immunity.
Freda
B J
BJ
D000375:Aging / Q000276:immunology*; D004396:Coloring Agents; D004064:Digestive System / Q000276:immunology*; D006801:Humans; D008751:Methylene Blue; D010581:Peyer's Patches / Q000276:immunology; D013194:Staining and Labeling / Q000379:methods
D004396:Coloring Agents; D008751:Methylene Blue