Subjects: *PREVENTIVE medicine; *JUVENILE diseases; *HISTORYOST, Wilhelm
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Subjects: *PUBLIC health education (Graduate); *PUBLIC health; *PREVENTIVE medicineCHINA
Subjects: *IMMUNIZATION of children; *PREVENTIVE medicine; *MERCURY poisoning
Subjects: *HEALTH policy; *PUBLIC health; *SOVIET propagandaSOVIET Union; RUSSIA
Subjects: *PRE-exposure prophylaxis; *HIV prevention; *HEALTH equityUNITED States
Subjects: *AEDES aegypti; *MOSQUITO control; *SUCCESSBRAZIL
Subjects: *CONTRACEPTIVE drugs; *HEALTH insurance laws; *BIRTH control