[Does restricted housing space protect against allergy? Hypotheses on low frequency of allergies in Eastern Europe]

MeSH terms

• Adolescent
• Adult
• Air Pollutants / adverse effects
• Air Pollution, Indoor / adverse effects
• Child
• Crowding
• Estonia / epidemiology
• Europe, Eastern / epidemiology
• Housing*
• Humans
• Hypersensitivity / epidemiology*
• Hypersensitivity / etiology
• Hypersensitivity / prevention & control
• Poland / epidemiology
• Residential Facilities
• Risk Factors
• Sweden / epidemiology