title: In vivo effect of phytohaemagglutinin on the thymus and bursa of Fabricius.
mesh_terms: D000818:Animals; D002060:Bursa of Fabricius / Q000187:drug effects*; D002645:Chickens; D010835:Phytohemagglutinins / Q000494:pharmacology*; D013950:Thymus Gland / Q000187:drug effects*; D013997:Time Factors
chemical_list: D010835:Phytohemagglutinins