(Q40904537)
Statements
1 reference
Double-Blind Crossover Comparison between a <i>β</i>-Adrenergic Agent and a New Anticholinergic Agent by Metered Dose Inhaler (English)
1 reference
Double-blind crossover comparison between a beta-adrenergic agent and a new anticholinergic agent by metered dose inhaler (English)
1 January 1978
1 reference
1 reference
36
1 reference
1
1 reference
32-38
1 reference
Identifiers
1 reference