title: Comments on the evaluation of lymphocyte levels in a random sample of 218 elderly individuals from São Paulo city.
authors.affiliation: Department of Microbiology and Immunology, University of Miami Miller School of Medicine, Miami, FL, USA.
authors.forename: Bonnie B
authors.initials: BB
authors.lastname: Blomberg
authors.forename: Daniela
authors.initials: D
authors.lastname: Frasca