title: Cell requirements for optimum proliferative responses of rat spleen cells.
mesh_terms: D000818:Animals; D002448:Cell Adhesion; D002455:Cell Division; D002499:Centrifugation, Density Gradient; D003208:Concanavalin A / Q000494:pharmacology; D004950:Esterases / Q000494:pharmacology; D005455:Fluorescent Antibody Technique; D007958:Leukocyte Count; D008214:Lymphocytes; D008264:Macrophages; D009000:Monocytes; D010835:Phytohemagglutinins / Q000494:pharmacology; D011205:Povidone / Q000494:pharmacology; D051381:Rats; D011919:Rats, Inbred Strains; D012822:Silicon Dioxide / Q000494:pharmacology; D013154:Spleen / Q000166:cytology*
chemical_list: D010835:Phytohemagglutinins; D003208:Concanavalin A; C016039:Percoll; D012822:Silicon Dioxide; D004950:Esterases; D011205:Povidone