2018-04-182018-04-181971-11-10http://hdl.handle.net/2152.3/8181Letter to Dr. Berry from Ann Wagoner, National Academy of Sciences with subject line: Prospectus on Long-Range Problem Areas Relative to Man in Space.National Academy of SciencesDr. Charles BerrySpace MedicineCommittee on Space MedicineAnn WagonerProspectus on Long-Range Problem Areas Relative to Man in Space