The Aug. 15, 2004, issue of the American Journal of Respiratory and Critical Care Medicine, published by the American Thoracic Society (ATS), contains a set of guidelines about respiratory care in Duchenne muscular dystrophy (DMD) prepared by a special ATS working group. Members of this group are experts in DMD respiratory care, generally managing the respiratory care of patients being seen at Muscular Dystrophy Association (MDA) clinics.