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., abdominal breathing, actifed, activity, adenovirus, aerobic, airborne transmission, apgar score, arterial blood gases, aspergillosis, asthma, asthma attack, atypical pneumonia, biosafety level 3, branchia, breathing apparatus, breathing device, breathing machine, bronchial asthma, bronchoscopic smear, brooder pneumonia, canine distemper, catarrhal, cipro, ciprofloxacin, cold, common cold, cough, coughing, crepitation rale, ctenidium, echovirus, emphysema, endoblast, endoderm, entoblast, entoderm, gill, gulf war syndrome, haemoptysis, hemoptysis, hyaline cartilage, hypoblast, iga, immunoglobulin a, inflation therapy, klebsiella, levallorphan, lorfan, lower respiratory infection, lower respiratory tract smear, lung, major surgery, metrazol, minor surgery, model, mycoplasmal pneumonia, nasal decongestant, nerve agent, nerve gas, nose, olfactory organ, parainfluenza virus, pentamethylenetetrazol, pentylenetetrazol, persian gulf illness, pertussis, pheniramine, phenylpropanolamine, phlegm, pneumatophore, pneumoconiosis, pneumonia, pneumonoconiosis, primary atypical pneumonia, pulmonary emphysema, rale, rattle, rattling, respiratory center, respiratory disease, respiratory disorder, respiratory illness, respiratory infection, respiratory syncytial virus, respiratory tract infection, rhinotracheitis, rhinovirus, sars, serratia marcescens, severe acute respiratory syndrome, sputum, sputum smear, swine flu, swine influenza, trachea, tracheobronchitis, trench mouth, upper respiratory infection, ventilator, vincent's angina, vincent's infection, whooping cough