nuclear medicine. Proceedings of the 1 971 Manned Spacecraft 

 Center Endocrine Program Conference. NASA TM X-58093 , 1972. 



296. Johnson, P. C. , S. L. Kimzey, and T. B. Driscoll 



Post-mission plasma volume and red cell mass changes in the crews 

 of the first two Skylab missions. (International Symposium on Basic 

 Environmental Problems of man in Space, 5th Washington, DC, Nov. 

 27-30, 1973). Acta As tronautica. 2: 311-317, 1975. 



297. Johnson, P. C. 



Red cell mass and plasma volume changes observed in astronauts on 

 three Gemini and three Apollo missions. Proceedings of the 1970 

 Manned Spacecraft Center Endocrine Program Conference. NASA TM X- 

 58068, 1971. 



298. Johnson, R. L. , A. E. Nicogossian, S. A. Bergman, and G. W. Hof fler 



Lower Body Negative Pressure - The second manned Skylab mission. 

 Aviation. Space, and Environmental Medicine. 47 : 347-3 53 , 1976 . 



299. Johnson, R. L. , G. W. Hof fler, A. E. Nicogossian, S. A. Bergman, and 

 M. M. Jackson 



Lower body negative pressure: Third manned Skylab mission. Biomedical 

 Results from Skylab. NASA SP-377, p. 284-312, 1977. 



300. Johnson, R. L. , G. W. Hoffler, A. E. Nicogossian, S. A. Bergman, and 

 M. M. Jackson 



Lower body negative pressure - Third manned Skylab mission. Proceedings 

 of the Sky lab Life Sciences Symposium. NASA TM X-5 8154, Vol. 2 , p. 545- 

 595, 1974. 



301. Johnson, R. L. , G. W. Hoffler, A. E. Nicogossian, and S. A. Bergman 



Skylab experiment M092. Results of the first manned mission. (Inter- 

 national Symposium on Basic Environmental Problems of Man in Space, 

 5th, Washington, DC, Nov. 27-30, 1973). Acta As tronautica. 

 2: 265-296, 1975. 



302. Johnson, S. P., J. A. Green, and D. K. Chapman 



Biochemical changes in the endosperm of wheat seedlings in the 

 weightless state. The Experiments of Biosatellite II. NASA SP- 

 204, p. 213-221, 1971. 



303. Johnson, S. P., T. W. Tibbetts, J. A. Green, and D. K. Chapman 



The liminal angle of plagiogeotropic organ under weightlessness. 

 The Experiments of Biosatellite II. NASA SP-204, p. 223-2 48, 



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