16972
Bisphosphonates and risk of subtrochanteric , femoral shaft , and atypical femur fracture : A systematic review and meta - analysis .
 Chemical: Bisphosphonates
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: Bisphosphonates