13871
Thus , normophysiological estrogen levels appear to exert a permissive effect on musculoskeletal adaptations to loading , thereby likely improving the outcome of rehabilitation following critical illness , musculoskeletal trauma or orthopedic surgical therapy .
 Chemical: estrogen
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: estrogen