User talk:49.178.86.63

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Hello! I noticed your contributions to Ventilation perfusion mismatch&#32;and wanted to welcome you to the Wikipedia community. I hope you like it here and decide to stay. You are welcome to edit anonymously; however, creating an account is free and has several benefits (for example, the ability to create pages, upload media and edit without one's IP address being visible to the public).

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See WP:INTREF (or WP:INTREFVE if you use VisualEditor) if you need help adding a reference. Cheers. AP 499D25 (talk) 09:06, 2 April 2023 (UTC)