title: Practical evaluation of secondary immune deficiencies in the elderly.
authors.affiliation: Department of Geriatrics and Adult Development, Mount Sinai Medical Center, New York.
authors.forename: H
authors.initials: H
authors.lastname: Fillit
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D000375:Aging / Q000276:immunology*; D006801:Humans; D007154:Immune System Diseases / Q000209:etiology*; D012307:Risk Factors