Xie, D Effects of monochromatic light on mucosal mechanical and immunological barriers in the small intestine of broilers. [electronic resource] - Poultry science Dec 2011 - 2697-704 p. digital Publication Type: Controlled Clinical Trial; Journal Article; Research Support, Non-U.S. Gov't ISSN: 0032-5791 Standard No.: 10.3382/ps.2011-01416 doi Subjects--Topical Terms: AgingAnimalsChickensGoblet CellsImmunoglobulin A--metabolismIntestinal Mucosa--cytologyIntestine, Small--physiologyLightLymphocytes--classificationMale