16979
Bisphosphonate exposure was associated with an increased risk of subtrochanteric , femoral shaft , and AFF with adjusted RR of 1 . 70 ( 95 % CI 1 . 22 - 2 . 37 ) .
 Chemical: Bisphosphonate
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: Bisphosphonate