Diseases involving the respiratory and voice systems
RESPIRATORY DISEASES: GENERAL TERMS
    DISEASES OF THE NASAL SINUSES
    DISEASES OF THE NASAL SINUSES: GENERAL TERMS
    DISEASES OF THE MAXILLARY SINUSES
    DISEASES OF THE FRONTAL SINUSES
    DISEASES OF THE ETHMOIDAL SINUSES
    DISEASES OF THE SPHENOIDAL SINUSES
DISEASES OF THE NOSE AND NASOPHARYNX
    DISEASES OF THE PHARYNX
DISEASES OF THE LARYNX
DISEASES OF THE LUNG: GENERAL TERMS
    NON-INFECTIOUS PNEUMONIAS
    ASPIRATION PNEUMONIAS
    PULMONARY EMPHYSEMAS
    ASTHMA
ENVIRONMENTAL AND OCCUPATIONAL LUNG DISEASES: GENERAL DISORDERS
    ENVIRONMENTAL AND OCCUPATIONAL LUNG DISEASES
    PNEUMOCONIOSES
    EXTRINSIC ALLERGIC RESPIRATORY DISEASES
DISEASES OF THE PLEURA
DISEASES OF THE MEDIASTINUM
DISEASES OF THE DIAPHRAGM
VOICE DISORDERS: GENERAL TERMS
    SPASTIC DYSPHONIAS
    NEUROLOGIC VOICE DISORDERS
    NASAL RESONATORY DISORDERS
    PSYCHOGENIC VOICE DISORDERS

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