3237
Close observation of the response status both clinically and with beta - hCG values may indicate whether and when more agressive combination chemotherapy should be started . ( ABSTRACT TRUNCATED AT 250 WORDS )
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
 Entities:  
Answer:
 None