1. Bosentan in mild pulmonary hypertension
Mart N van der Plas, Mariëlle GJ Duffels, Dikyi Ponse, Barbara JM Mulder, Paul Bresser 
The Lancet 
Volume 372, Issue 9651, (November 2008)
DOI: /S (08)
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2. Figure
Difference in aerobic capacity, expressed as V'O2-peak (mL/min), between cardiopulmonary exercise testing (CPET) and 6-min walk test (6MWT), by severity of disease
The Lancet  , DOI: ( /S (08) )
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