[Pseudocroup study of the Institute of Water, Soil and Air Public Health in Berlin]

MeSH terms

• Air Pollutants / adverse effects*
• Berlin
• Child
• Child, Preschool
• Croup / etiology*
• Humans
• Infant
• Laryngitis / etiology*
• Maximum Allowable Concentration
• Respiratory Tract Infections / etiology
• Risk
• Seasons
• Smog / adverse effects*
• Sulfur Dioxide / adverse effects
• Virus Diseases / etiology
• Weather