The membership of the six different societies of the Federation and of the Federation as a whole (unduplicated membership) is plotted (see page 58) on a logarithmic scale. Thus, the slope of the line represents the percentage rather than the absolute growth rate. The time in years required for a 100 % increase is noted on each curve as well as the percentage increase per year.


Quarter Century American Physiological Society Membership Committee Absolute Growth Rate Associate Member 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© American Physiological Society 1963

Authors and Affiliations

  • Wallace O. Fenn
    • 1
  1. 1.The American Physiological SocietyUSA

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