1. Heredity, pet ownership, and confounding control in a population-based birth cohort 
Catarina Almqvist, MD, PhDa,b, Ann-Charlotte Egmar, RNa, Marianne van Hage-Hamsten, MD, PhDc, Niklas Berglind, MSca, Göran Pershagen, MD, PhDd, S.Lennart Nordvall, MD, PhDe, Magnus Svartengren, MD, PhDf, Gunilla Hedlin, MD, PhDb, Magnus Wickman, MD, PhDa,d,g 
Journal of Allergy and Clinical Immunology 
Volume 111, Issue 4, Pages (April 2003)
DOI: /mai
Copyright © 2003 Mosby, Inc. Terms and Conditions

2. Fig. 1
Cat and dog ownership over time, from birth to 1 year and 2 years of age in families with no, single, or double parental history of allergic disease (asthma or rhinoconjunctivitis combined with pet or pollen allergy).
Journal of Allergy and Clinical Immunology  , DOI: ( /mai )
Copyright © 2003 Mosby, Inc. Terms and Conditions

3. Fig. 2
Levels of the cat allergen Fel d 1 in 455 families without any cats at home, subdivided by maternal pet allergy. Median (Md) concentration of cat allergen and percentage of dust samples below the detection limit (dl) are indicated.
Journal of Allergy and Clinical Immunology  , DOI: ( /mai )
Copyright © 2003 Mosby, Inc. Terms and Conditions

4. Fig. 3
Levels of the dog allergen Can f 1 in 490 families without any dogs at home, subdivided by maternal AEDS. Median (Md) concentration of dog allergen and percentage of dust samples below the detection limit (dl) are indicated.
Journal of Allergy and Clinical Immunology  , DOI: ( /mai )
Copyright © 2003 Mosby, Inc. Terms and Conditions