When SpaceX's 20th resupply mission lifted off to the International Space Station in March 2020, beating heart cells were along for the ride.
원문출처 : https://www.cnn.com/2021/06/25/health/heart-cells-space-scn/index.html
원문출처 : https://www.cnn.com/2021/06/25/health/heart-cells-space-scn/index.html