TY - RPRT TI - Colonoscopy Screening in the US Astronaut Corps AU - Masterova, K. AU - Van Baalen, M. AU - Wear, M. L. AU - Murray, J. AU - Schaefer, C. PY - 2016 UR - https://ntrs.nasa.gov/citations/20160001547 ID - 20160001547 ER -