Effect of 5 weeks of oral acetazolamide on patients with pulmonary vascular disease: A randomized, double-blind, cross-over trial M. Lichtblau; S. Saxer; J. Müller; P. Appenzeller; C. Berlier; S.R. Schneider; L. Mayer; M. Furian; E.I. Schwarz; E.R. Swenson; K.E. Bloch; S. Ulrich;

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