1. Cardiac Effects of Repeated Weightlessness During Extreme Duration Swimming Compared With Spaceflight. Issue 15 (29th March 2021) Authors: MacNamara, James P.; Dias, Katrin A.; Sarma, Satyam; Lee, Stuart M.C.; Martin, David; Romeijn, Maks; Zaha, Vlad G.; Levine, Benjamin D. Journal: Circulation Issue: Volume 143:Issue 15(2021) Page Start: 1533 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗