TY - RPRT TI - A Risk-Benefit Analysis of Prophylactic Surgery Before Extended-Duration Spaceflight AU - Carroll, Danielle AU - Reyes, David AU - Walton, Marlei AU - Kerstman, Eric AU - Antonsen, Erik PY - 2017 UR - https://ntrs.nasa.gov/citations/20170004348 ID - 20170004348 ER -