5Kruip M J, Slob MJ, Schijen JH, et al. Use of a clinical decision rule in combination with D-dimer concentration in diagnostic workup of patients with suspected pulmonary embolism: a prospective management study [ J ]. Arch Intern Med, 2002, 162 (14) : 1631-1635.
6Schvartz I, Ittoop O, Hazum E. Direct evidence for multiple endothelin receptors [ J ]. Biochemistry, 1991, 30 (21) : 5325- 5327.
7Masaki T1, Kimura S, Yanagisawa M, et al. Molecular and cellular mechanism of endothelin regulation. Implications for vascular function [ J ]. Circulation, 1991,84 (4) : 1457-1468.
8Gali6 N, Manes A, Branzi A. The endothelin system in pulmonary arterial hypertension [ J ]. Cardiovasc Res, 2004, 61 (2) : 227- 237.
9Wang X, Morris-Natschke SL, Lee KH. New deve|opments in the chemistry and biology of the bioactive constituents of Tanshen [ J ]. Med Res Rev, 2007, 27 ( 1 ) :133-145.