4971. [Examining tracings of electron micrographs of rat sciatic nerve cross sections] Publication: Bethesda, Maryland: National Institutes of Health, [196-]
4972. [Examining a tadpole while it is undergoing anesthesia] Publication: Bethesda, Maryland: National Institutes of Health, [196-]
4973. [Studying electrical properties of the nerve fiber] Publication: Bethesda, Maryland: National Institutes of Health, [196-] Subject(s): Laboratories
4974. The laboratory of molecular biology Author(s): Joy, Thomas. Publication: [196-?] Subject(s): LaboratoriesLaboratory PersonnelAfrican Americans
4975. Dr. Christian Anfinsen looks at molecular model Author(s): Tames, George. Publication: [s.l.] : Medical World News, [195-?] Subject(s): Laboratories
4976. We feel awfully good about Mary's joining the U.S. Cadet Nurse Corps Subject(s): United States. Public Health Service.
4977. [A woman reading a flyer] Publication: [19--] Subject(s): African AmericansUnited States. Public Health Service.
4980. [Airplane spraying insecticide in an effort to kill malaria mosquitos] Publication: [c1930] Subject(s): Mosquito ControlMalaria -- prevention & controlAircraft