Chest pain in otherwise healthy children and adolescents is frequently caused by exercise-induced asthma.
Wiens L, Sabath R, Ewing L, Gowdamarajan R, Portnoy J, Scagliotti D. Chest pain in otherwise healthy children and adolescents is frequently caused by exercise-induced asthma. Pediatrics. 1992 Sep; 90(3):350-3.