Vinograd, S.P.2018-04-102018-04-101966-02-15http://hdl.handle.net/2152.3/7752A memorandum written by the Director of Medical Science and Technology to Dr. Berry regarding the Formulation of Apollo Medical Mission Rules with Reference to Ionizing Radiation.memorandumS.P. VinogradIonizing RadiationApollo Medical Mission RulesDr. Charles BerrySpace Medicineflight crew exposureFormulation of Apollo Medical Mission Rules with Reference to Ionizing Radiation