[The difficult measurement of inhalation technique].
Valderas Martínez
J M
JM
Ferrer Menduiña
X
X
D001249:Asthma / Q000188:drug therapy*; D001993:Bronchodilator Agents / Q000008:administration & dosage*; D006801:Humans; D009330:Nebulizers and Vaporizers; D010353:Patient Education as Topic
D001993:Bronchodilator Agents