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2. Comparison of infused and inhaled Terbutaline in patients with asthma;Thiringer;Scand. J. Resp. Dis.,1976
3. Espirometría y pietismografia corporal en la valoración de broncodilatadores;Corrales;Arch. Bronconeumol.,1976
4. Analysis of changes in airways resistance during quiet breathing in obstructive lung disease;Ulmer,1970