anchor.diff:  MCP1: monocyte chemoattractant protein-1
   
   
  +MDC:  Mild disease course
  +
  +
   meanFVC: mean forced vital capacity from 2 exams
   
   
  
positive.code: 
  === M
  
  MA: male athletes
  
  
  
negative.code: WHRadjBMI: WHR adjustment for BMI
  
  
  WL-dr: word list delayed recall
  
  
  WRAT: Wide-Range Achievement Test
  
  === XYZ
  