Anders, W.A.Carpentier, W.R.2018-04-102018-04-101966-03-18http://hdl.handle.net/2152.3/7774A memorandum that summarizes the "current feelings for acceptable radiation dose levels for Apollo crew members," and is co-written by representatives of the Center Medical Office and Flight Crew Operations Directorate.Radiation exposureApollo Crew MembersDr. Charles BerrySpace Medicinememorandum