title: Effect of phytohaemagglutinin on primary immune response in the rat.
abstract: PHA pretreatment if given as a single stimulus exerted a stimulatory effect on SRBC haemolysin production rats. If administered repeatedly, it proved to be immunosuppressive.
mesh_terms: D000818:Animals; D000917:Antibody Formation; D006460:Hemolysin Proteins / Q000032:analysis; D006462:Hemolytic Plaque Technique; D037102:Lectins / Q000494:pharmacology*; D008297:Male; D009929:Organ Size; D051381:Rats; D013154:Spleen / Q000033:anatomy & histology
chemical_list: D006460:Hemolysin Proteins; D037102:Lectins