13568
This review article will summarize recent advances in the understanding of the activities of androgen synthesis pathways in patients with 21 - hydroxylase deficiency obtained by urinary steroid metabolomics based on gas chromatography - mass spectrometry .
 Chemical: androgen; Chemical: steroid
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: androgen, steroid 
Answer:
 Chemical: androgen; Chemical: steroid