Economic, Social Aspects, Communicabls Diseases Associated, Low, Public Hygiene, Cholera, Typhoid fever, Paratyphoid, Poliomyelitis
Economic and Social aspects of disease, Communicable disease, General measures of communicable disease control, Control of community-wide disease.
Deafness in childhood, Acute infections of the middle ear in infancy, The trainning and education of deaf children, Mental deficiency, Septum, neck, Pathology
Economic and Social Aspects of Disease, Communicable Diseases, General Measures of Communicable Disease Control of Community Wide Disease