691. ... plastic phantoms filled with sodium chloride solution are used for measuring radioactivity Subject(s): Equipment and SuppliesRadiationWorld Health Organization
692. ... one of the numerous ingenious devices permitting the handling of radioactive substances Subject(s): World Health Organization
693. Schistosomiasis: two young sufferers from this debilitating water-borne disease Subject(s): ChildWorld Health Organization
694. Family health and youth health clubs are popular part of health education programme Subject(s): Health PromotionHealth EducationWorld Health Organization
695. Positive reactions from two vaccinations leave visible scars on the arm of a little boy in Bangladesh. They are his guarentee against a diease which might otherwise have killed or blinked him Subject(s): BangladeshChildWorld Health Organization
696. Personnel in the emergency smallpox hospitals wear protective clothing Subject(s): Emergency Medical ServicesHealth PersonnelEye Protective DevicesProtective Clothing
697. A young English doctor discovers the ultimate defence against smallpox Subject(s): Jenner, Edward, 1749-1823.
698. The subject of vaccination discussed before a meeting of the American Academy of Arts and Sciences] Subject(s): World Health Organization
699. Vaccination spreads to many parts of the world despite opposition Subject(s): Religion and MedicineWorld Health Organization
700. Vaccination spreads to many parts of the world despite opposition Subject(s): World Health Organization