title: T and B lymphocyte quantitation in children.
mesh_terms: D001402:B-Lymphocytes; D002648:Child; D002675:Child, Preschool; D005260:Female; D005455:Fluorescent Antibody Technique; D006801:Humans; D007223:Infant; D007958:Leukocyte Count; D008297:Male; D012397:Rosette Formation; D013601:T-Lymphocytes