Andersson L., Parker R., Strikas R.et al. (1988): Daycare center attendance and hospitalization for lower respiratory tract illness - Pediatrics, 182: 300–308.
Betrand J.M., Riley P., Popkin J. et al. (1985): The longterm pulmonary sequelae of prematurity: The role of familial airway hyperactivity and the respiratory disease syndrome - N. Engl. J. Med. 21: 742–745.
Breslow N.E. and Day N.E. (1980): Statistical methods in cancer research. Vol 1. The analysis of casecontrol studies — Lyon: International Agency for Research on Cancer.
Brunekreef B., Groot B. and Hock G. (1992): Pets, allergy and respiratory symptoms in children - Int. J. Epidemiol. 21: 338–342.
Busse W (1990): Respiratory infections: Their role in airway responsiveness and the pathogenesis of asthma - J. Allergy Clin. Immunol. 85: 4.
Friday G. (1988): Morbidity and mortality of'asthma -Pediatr. Clin. North Am. 35:5 - October.
Goren A.I. and Hellmann S. (1988): Prevalence of respiratory symptoms and diseases in schoolchildren living in a polluted and in a lowpolluted area in Israel- Environ Res. 45: 28–37.
Halken S., Host A., Husby S. et al. (1991): Recurrent wheezing in relation to environmental risk factors in infancy - Allergy 46: 507–514.
Horwood L.J., Fergusson D.M., Hons B.A. et al. (1985): Social and familial factors in the development of early childhood asthma - Pediatrics 75: 859–868.
Kramer M. (1988): Does breast feeding help protect against atopic disease? Biology, methodology and a golden pilule of controversy - J. Pediatr. 112: 181–190.
Lebowitz M.D. and Burrows B. (1976): Respiratory symptoms related to smoking habits in family members - Chest 69: 48–50.
Lucas A., Brooke O.G., Cole T.J. et al. (1990): Food and drug reactions, wheezing and eczema in preterm infants - Arch. Dis. Childh. 65: 411–415.
Neas L.M., Dockery D.W., Wale J.H. et al. (1991): Association of indoor nitrogen dioxide with respiratory symptoms and pulmonary function in children - Am. J. Epidemiol. 134: 204–219.
Neuspiel D., Rush D., Bullen N. et al. (1989): Parental smoking and post-infancy wheezing in children: A prospective cohort study - Am. J. Public Health 79: 168–171.
Ownby D. (1990): Environmental factors versus genetic determinants of childhood inhalant asthma -J. Allergy Clin. Immunol. 86: 279–287.
Palmieri M., Longobardi G., Napolitano G. et al. (1990): Parental smoking and asthma in childhood -Eur. J. Pediatr. 149: 738–740.
Pershagen G., Eriksson A. and Otterblad-Olausson P. (1992): Maternal smoking in pregnancy: Does it increase the risk of childhood cancer? - Int. J. Epidemiol. 21: 1–5.
Rowntree S., Cogswell J., Platt-Mills T.A.E. et al. (1985): Development of IgE and IgG antibodies to food and inhalant allergens in children at risk of allergic disease - Arch. Dis. Child. 60: 727–735.
Schwartz J., Gold D., Dockery D. et al. (1990): Predictors of asthma and persistent wheeze in a national sample of children in the United States. Am Rev. Respir. Dis. - 142: 55–62.
Seidman D.S., Laor A., Gale R. et al. (1991): Is low birth weight a risk factor for asthma during adolescence? - Arch. Dis. Childh. 66: 584–587.
Sherman C., Tosteson T., Tager L et al. (1990): Early childhood predictors of asthma - Am. J. Epidemiol. 132: 83–95.
Skoner D. and Caliguiri L. (1988): The wheezing infant - Pediatr. Clin. North Am. 35:5.
Stiernfeldt M., Berglund K., Lindsten J. et al. (1986): Maternal smoking during pregnancy and risk of childhood cancer - Lancet i 1350–1352.
Walker A. (1981): Proportion of disease attributable to the combined effect of two factors - Int. J. Epidemiol. 10: 81–85.
Weitzman M. and Gortmaker S. (1990): Racial, social and environmental risks for childhood asthma - Am. J. Dis. Control 144: 1189–1194.
Whittemore A. (1983): Estimating attributable risk from case-control studies - Am. J. Epidemiol. 117: 76–85.
Wilson N.M. (1989): Wheezy bronchitis revisited -Arch. Dis. Child. 64: 1194–1199.
Woodward A., Douglas R., Graham N. et al. (1990): Acute respiratory illness in Adelaide children: breast-feeding modifies the effect of passive smoking - J. Epidemiol. Community Health 44: 224–230.
Wright A., Holberg C., Martinez F. et al. (1989): Breast-feeding and lower respiratory tract illness in the first year of life - Br. Med. J. 29: 946–949.
Wright A., Holberg C., Martinez F. et al. (1991): Relationship of parental smoking to wheezing and non-wheezing, lower respiratory tract illnesses in infancy - J. Pediatr. 118: 207–214.