1. Out-of-home day care and health;Roberts;Arch Dis Child,1996
2. Type of daycare setting and risk of repeated infections;Collet;Pediatrics,1994
3. Respiratory illness in preschool children with different forms of day care;Strangert;Pediatrics,1976
4. The influence of form of daycare on occurrence of acute respiratory tract infections among young children;Ståhlberg;Acta Paediatr Scand,1980
5. Daycare and illness: evidence, costs and public policy;Haskins;Pediatrics,1986