2088
Despite the fact that biochemical estimates of bone turnover indicate that ( short - term ) administration of rhGH and IGF - I stimulates bone metabolism in non - osteoporotic older people , no significant changes have been observed in bone mineral density at the proximal femur .
 GENE: rhGH; GENE: IGF - I
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: rhGH; GENE: IGF - I