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The 6-min walk test (6MW) as an efficacy endpoint in pulmonary arterial hypertension clinical trials: demonstration of a ceiling effect.

M. Rubenfire, R. Barst, A. Frost, 2005, Vascular pharmacology.

Structural and functional characterization of the human T lymphocyte receptor for insulin-like growth factor I in vitro.

P. Pilch, J. Berman, D. Center, 1988, The Journal of clinical investigation.

A consensus conference on complex biologics and low molecular weight heparins.

L. Ried, C. Carter, D. Hoppensteadt, 2010, International Angiology.