HelpAgr5ack
HelpAgr5ack HelpAgr5ack
  • 03-12-2015
  • Biology
contestada

Rheumatoid arthritis is caused by:
a bacteria
a virus
a reaction to an immunization
an autoimmune reaction

Respuesta :

kimmie1997 kimmie1997
  • 03-12-2015
An autoimmune reaction
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