41. [State flags at the annual meeting of the medical liason officer's network for information exchange on radiological medical issues]
45. Chairs: An early 19th century invalid's chair with an adjustable back, opening sides and a footrest
47. Do you keep your teeth clean?: visit your dentist? eat good food? Publication: Chicago : National Dairy Council, c1967 Subject(s): Oral HealthOral HygieneChild
48. Chemiczne środki ochrony roślin: zapobieganie zatruciom Publication: [Poland] : PZH, 1967 Subject(s): VegetablesCrops, AgriculturalFood Contamination -- prevention & controlAgriculture -- methods
49. Legkim tiazhelo Publication: Moskva : Ministerstvo zdravookhraneniia SSSR, Institut sanitarnogo prosveshcheniia, 1967 Subject(s): Smoking -- prevention & controlSmoking -- adverse effectsLung
50. To childhood illness Author(s): Shahn, Ben, 1898-1969, artist Publication: [New York : s.n., 1968] Subject(s): PatientsChild