| http://www.w3.org/ns/prov#value | - However, many parents and teachers are concerned about the risks of physical activity in children and young people with asthma and instead deter them from activities [21].Parental and family beliefsThe influence of family factors on the activities of young people is well documented For example, a survey of around 4000 US teenagers without asthma found that a range of factors including race, educat
|
