4737
OBJECTIVE : We describe the unique CT features of ureteric calculi in six HIV - infected patients receiving indinavir , the most commonly used HIV protease inhibitor , which is associated with an increased incidence of urolithiasis .
 Disease: ureteric calculi; Disease: HIV - infected; Chemical: indinavir; Disease: urolithiasis
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: ureteric calculi; Disease: HIV - infected; Chemical: indinavir; Disease: urolithiasis