BAIGELMAN, W.; CHODOSH, S. Bronchodilator action of the anticholinergic drug, ipratropium bromide (Sch 1000), as an aerosol in chronic bronchitis and asthma. Chest.. 1977, roč. 71, čís. 3, s. 324–8. Dostupné online. ISSN0012-3692.
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BAIGELMAN, W.; CHODOSH, S. Bronchodilator action of the anticholinergic drug, ipratropium bromide (Sch 1000), as an aerosol in chronic bronchitis and asthma. Chest.. 1977, roč. 71, čís. 3, s. 324–8. Dostupné online. ISSN0012-3692.