869
The dark - adapted electroretinogram ( ERG ) of patients with Duchenne and Becker muscular dystrophy ( DMD / BMD ) shows a marked reduction in b - wave amplitude .
 Disease: Duchenne and Becker muscular dystrophy; Disease: DMD; Disease: BMD
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease 
Text: {0} 
 Entities: Duchenne and Becker muscular dystrophy, DMD, BMD 
Answer:
 Disease: Duchenne and Becker muscular dystrophy; Disease: DMD; Disease: BMD