2018-12-182018-12-18Unknownhttps://hdl.handle.net/2152.3/10976A memorandum draft regarding scheduling for SL-4 written by Dr. ThorntonSL-4SkylabDr. William ThorntonSpace MedicineresearchmemorandumHordinskyLBNP_LegVolumeChanges_SL4_Memo_Thornton