Patients with asthma or chronic obstructive pulmonary disease (COPD) can generate sufficient inspiratory flows via Easyhaler (R) dry powder inhaler: a pooled analysis of two randomized controlled trials

Malmberg, LP; Pelkonen, AS; Vartiainen, V; Vahteristo, M; Lahelma, S; Jogi, R

Malmberg, LP (corresponding author), Helsinki Univ Cent Hosp, Skin & Allergy Hosp, Unit Clin Physiol, POB 160, FIN-00029 Helsinki, Finland.

JOURNAL OF THORACIC DISEASE, 2021; 13 (2): 621