2018-04-122018-04-121974-01-24http://hdl.handle.net/2152.3/7921Two correspondences regarding the Possible Exchange of US USSR Life Scientists.CorrespondenceHarold KleinNASA Director of Life SciencesOscar AndersonUSSRExchange of US USSR Life ScientistsDr. Charles BerrySpace MedicineAnderson Response to Possible Exchange of US USSR Life Scientists