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. 2022 Jan 17;8:809594. doi: 10.3389/fcvm.2021.809594

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Copyright © 2022 Zhang, Tong, Zhang, Wang, Liu, Wang and Fan.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Forest plot of the pooled prevalence of pre-capillary PH by RHC in the population with advanced sarcoidosis. PH, pulmonary hypertension; RHC, right heart catheterization.