参考文献

［1］刘国恩. 中国药物经济学评价指南. 2020版［M］. 北京：科学出版社，2020：162-168.

［2］Li X, Li T. Combined Methods (Formal Adjusted Indirect Comparison, Meta-Analysis and Principal Component Analysis) Comparisons of the Safety and Efficacy of Ambrisentan, Bosentan, and Sildenafil in the Patients With Pulmonary Arterial Hypertension［J］. Front Pharmacol. 2020, 11: 400.(https://www.daowen.com)

（李欣玫）