Metered dose inhalers: the value of instruction.
Smith
D
D
D001993:Bronchodilator Agents / Q000008:administration & dosage*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009330:Nebulizers and Vaporizers; D010353:Patient Education as Topic
D001993:Bronchodilator Agents