Frequencies for rx_ce_lti_rxhcc71 variable in rxcoeff dataset :

rx_ce_lti_r |
  xhcc71 -- |
 myasthenia |
    gravis, |
amyotrophic |
    lateral |
  sclerosis |
 and other  |      Freq.     Percent        Cum.
------------+-----------------------------------
       .052 |          1      100.00      100.00
------------+-----------------------------------
      Total |          1      100.00

by Jean Roth , jroth@nber.org , 2 May 2016