2018-04-062018-04-06Unknownhttp://hdl.handle.net/2152.3/7707A document with unidentified author titled Assessment of the Reaction of the Cardiovascular and Respiratory Systems of Astronauts to Physical Work.Dr. Charles BerrySpace MedicineCardiovascular Respiratory SystemsAstronautsPhysical WorkAssessment of the Reaction of the Cardiovascular and Respiratory Systems of Astronauts to Physical Work