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Werner Seeger; Tanja Hansen; Renate Rössig; Thomas Schmehl; Hartwig Schütte; Hans-Joachim Krämer; Dieter Walmrath; Norbert Weissmann; Friedrich Grimminger; Norbert Suttorp. (1995). Hydrogen Peroxide-Induced Increase in Lung Endothelial and Epithelial Permeability-Effect of Adenylate Cyclase Stimulation and Phosphodiesterase Inhibition. , 50(1), 0–17. doi:10.1006/mvre.1995.1033 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research