[Propellent gas sprayers for asthmatics].
D000336:Aerosols / Q000009:adverse effects; D001249:Asthma / Q000188:drug therapy*; D005740:Gases / Q000009:adverse effects; D012138:Respiratory Therapy / Q000295:instrumentation
D000336:Aerosols; D005740:Gases
Treibgasvernebler bei Asthmatikern.