1163
METHODS : Two patients developed cervical myelopathy or radiculopathy after spinal manipulation therapy , and magnetic resonance imaging showed herniated cervical discs at C4 - C5 and C6 - C7 , respectively .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 None