4517
Despite adequate oral dosage of DPH ( 5 mg / kg / daily ) the plasma level was very low ( 2 . 8 microgramg / ml ) .
 Chemical: DPH
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: DPH