I have pdf files for the 3 requested articles, yet when I upload them, I get a message that files >300mb cannot be sent. These are single page pdf files showing 45kb. I can send a DropBox link if I had an email address, but the is no way to find this.
https://www.dropbox.com/scl/fi/4ylg5biq53d542w5czgg4/Becker-Antigravity-treadmills-for-pelvic-fx-2013.pdf?rlkey=pe6k9sv9fqn7xx8a9pvcu6e6v&st=4lxa2qbc&dl=0