TY - RPRT TI - Risk characterization and the extended spaceflight environment. AU - R D Irons AU - R Eberhardt AU - J Schulz PY - 1992 DO - 10.1016/0094-5765(92)90204-v UR - https://pubmed.ncbi.nlm.nih.gov/11537591/ ID - 11537591 ER -