6175
The O2 deficit was not related to blood lactate during submaximal exercise , muscle enzyme activity ( citrate synthase , 3 - hydroxyacyl - CoA - dehydrogenase , lactate dehydrogenase ) , number of muscle capillaries , % ST fibres or muscle buffer capacity .
 citrate synthase, 3 - hydroxyacyl - CoA - dehydrogenase, lactate dehydrogenase
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 citrate synthase, 3 - hydroxyacyl - CoA - dehydrogenase, lactate dehydrogenase