21. [A PHS physician talks to an elderly woman] Subject(s): AgedPhysiciansPatientsUnited States. Public Health Service.
22. [PHS physician examines a Vietnamese boy] Subject(s): ChildPhysiciansPhysical ExaminationUnited States. Public Health Service.
23. [PHS physician treats the foot of an elderly woman in a hospital room] Subject(s): AgedPhysiciansPatientsAfrican AmericansUnited States. Public Health Service.