55
HLA typing for HLA - B27 , HLA - B60 , and HLA - DR1 was performed by polymerase chain reaction with sequence - specific primers , and zygosity was assessed using microsatellite markers .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease 
Text: {0} 
Answer:
 None