3855
The relation between the changes of bone density and the level of blood calcium , blood phosphorus and alkaline phosphatase ( AKP ) as well as the metabolism of vitamin D was studied .
 GENE: alkaline phosphatase; GENE: AKP
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: alkaline phosphatase; GENE: AKP