Berry, Charles M.D.2018-04-102018-04-101973-05-07http://hdl.handle.net/2152.3/7801Correspondence written to Joseph Kerwin, by Dr. Berry, regarding his role in the upcoming Skylab mission.Joseph KerwinSkylabCorrespondenceDr. Charles BerrySpace MedicineMessage from Dr. Berry to Joseph Kerwin Concerning Upcoming Flight 5.7.73