1963
We have synthesized [ 7 , 7 - 2H2 ] - 19 - OHA with high deuterium content and , together with [ 7 , 7 - 2H2 ] A and [ 9 , 11 - 2H2 ] estrone ( E1 ) , have developed a quantitative assay of serum level 19 - OHA , A , and E1 using the gas chromatography / mass spectrometry - mass fragmentography method to monitor individual subjects throughout pregnancy .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
 Entities:  
Answer:
 None