title: A tribute to Bernard N. Halpern (1904-1978).
authors.affiliation: Department of Pediatrics, University of California, School of Medicine, San Francisco 94143.
authors.forename: O L
authors.initials: OL
authors.lastname: Frick
mesh_terms: D000486:Allergy and Immunology / Q000266:history; D005602:France; D049673:History, 20th Century; D006801:Humans; D006967:Hypersensitivity / Q000266:history*; D010297:Paris; D010678:Philately; D012106:Research