afib
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Technical Q&A with Lennard Zinn
I bring my 40+ years of experience building bike frames and forks, riding bikes, and writing about bicycle technology and maintenance to answering your questions. I have no advertising nor an ad sales staff asking me to go easy on advertisers.

Off Beat's Substack
Patient-led research platform for young, active people with AFib. Building a community dataset to fill the gap in clinical research for this underrepresented patient group.
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