4752
About 2 / 3 of the patients in both Gamma Knife and radiofrequency groups showed improvements in bradykinesia and rigidity , although when considered as a group neither the Gamma Knife nor the radiofrequency group showed statistically significant improvements in UPDRS scores .
 Disease: bradykinesia; Disease: rigidity
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Disease: bradykinesia; Disease: rigidity