Researchers measure physical changes to trans women's vocal cords as a result of voice training

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Just a moment...

https://www.science.org/content/article/vocal-therapy-changes-voices-transgender-patients-without-need-surgery

Original article is here (paywalled 😑). Not sure how far to take these results with such a tiny N but interesting if it can be replicated with a larger sample size. It looks like they initially hypothesized that HRT had caused the changes but ended up rejecting that idea in favor of it being the voice training.