estimation of glutathione-s-transferase The Multifaceted Role Glutathione S-Transferases in Health and Disease Glutathione S-transferase - Wikipedia
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2016 doi: 10.1080/14656566.2016.1232396

Compared to conventional liver injury diagnostic methods, such as invasive tissue biopsy and ex vivo blood analysis, this approach offers real-time, in situ monitoring with high sensitivity and low noise, as well as mutually corroborating signals for increased reliability

Nishinaga M, Ozawa T, and Shimada K (1993)

Patch testing is recommended.