title: Isoelectric focusing--a new marker for differentiating T & B lymphocytes.
mesh_terms: D000818:Animals; D001402:B-Lymphocytes / Q000166:cytology*; D002469:Cell Separation; D002645:Chickens; D007525:Isoelectric Focusing; D013601:T-Lymphocytes / Q000166:cytology*; D013950:Thymus Gland / Q000166:cytology