TY - GEN AU - Bagiella,Emilia TI - Commentary: When a trial ends up in nowhere SN - 1097-685X PY - 2021///0129 KW - Heart-Assist Devices KW - Humans N1 - Publication Type: Editorial; Comment UR - https://doi.org/10.1016/j.jtcvs.2019.10.090 ER -