23862
However , at low MC - RR concentrations , representative of repeated oral exposure , and low GSH content ( down to 0 . 05mM ) , possibly associated to exposure to drugs or in patients affected by several pathologies , the relevance of the enzymatic reaction progressively increases , providing the predominant contribution to MC - RR detoxication .
 Chemical: MC - RR; Chemical: GSH; Chemical: MC - RR
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: MC - RR; Chemical: GSH; Chemical: MC - RR