Preprint Communication Version 1 This version is not peer-reviewed Version 1 : Received: 12 August 2024 / Approved: 13 August 2024 / Online: 13 August 2024 (13:16:18 CEST) Zhang, Z.; Wang, M.; Jiang, H.; Yu, X.; Cai, P. Identification of Key Biomarkers in Pulmonary Arterial Hypertension Based on Weighted Gene Co-expression Network Analysis. Preprints 2024, 2024080909. https://doi.org/10.20944/preprints202408.0909.v1 Zhang, Z.; Wang, M.; Jiang, H.; Yu, X.; Cai, P.