Thornton, William M.D.2018-05-312018-05-311990-07-13http://hdl.handle.net/2152.3/9034A document / correspondence written by Dr. Thornton and addressed to several individuals labeled Memo for Record, and regarding Technical Discussion of the TreadmillTechnical DiscussionTreadmillDr. William ThorntonCharles SawinSam L. PoolMike GreenisenTravis BrownKRUG InternationalSonny CarterExerciseresearchSpace Medicine