10660
The presence of a lymphocyte alveolitis with a predominance of CD4 + T cells in 3 RA patients and CD8 + T cells with a concomitant increase in neutrophils in another case suggests that immunologically mediated reactions may be one damage mechanism in MTX - induced pneumonitis .
 pneumonitis, MTX
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: adverse effect 
Text: {0} 
Answer:
 pneumonitis, MTX