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The main physiological actions of the biologically most active metabolite of vitamin D , 1 alpha , 25 - dihydroxyvitamin D ( 3 ) ( 1 alpha , 25 ( OH ) ( 2 ) D ( 3 ) ) , are calcium and phosphorus uptake and transport and thereby controlling bone formation .
 Chemical: vitamin D; Chemical: 1 alpha , 25 - dihydroxyvitamin D ( 3 ); Chemical: 1 alpha , 25 ( OH ) ( 2 ) D ( 3 ); Chemical: calcium; Chemical: phosphorus
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: vitamin D; Chemical: 1 alpha , 25 - dihydroxyvitamin D ( 3 ); Chemical: 1 alpha , 25 ( OH ) ( 2 ) D ( 3 ); Chemical: calcium; Chemical: phosphorus