title: Controversies about intensive training in young athletes.
authors.affiliation: Respiratory and Anaesthetic Unit, Institute of Child Health, London.
authors.forename: N
authors.initials: N
authors.lastname: Maffulli
authors.forename: P
authors.initials: P
authors.lastname: Helms
mesh_terms: D000293:Adolescent; D001007:Anxiety; D001265:Athletic Injuries / Q000209:etiology; D002648:Child; D006801:Humans; D008297:Male; D010806:Physical Education and Training; D013177:Sports; D013315:Stress, Psychological