2009i-122 adolescent adultrespiratorydistresssyndrome child children'shealth complications diagnosis diseases etiology fitness health infant lung lungdiseases lungs medical pediatricrespiratorydiseases pediatrics physiopathology respiratory respiratorydistresssyndrome rheumaticdiseases rheumatism signsandsymptoms systemicinflammatoryresponsesyndrome wf600l9633651990 ws280p98252009