16072
Heart abnormalities occurred across all treatments , including abnormal elongation and expansion of the heart tube at HH10 , improper looping and orientation , indentations in the emerging ventricular wall ( HH16 and HH20 ) , and irregularities in overall heart shape ( HH10 , HH16 , and HH20 ) .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None