1. Allergic Disease Section, Laboratory of Clinical Investigation, NIAID, NIH, Bethesda, Maryland.
2. Department of Pathology, Washington Hospital Center, Washington, D.C.
3. Department of Otolaryngic-Endocrine Pathology, Armed Forces Institute of Pathology, Washington, D.C.
4. Department of AIDS Registry, Armed Forces Institute of Pathology, Washington, D.C.