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2C and D)
Trauma or foreign body causing black stool Injuries to the gastrointestinal tract or the presence of a foreign object can lead to bleeding and black stools
Oxidative damage and protein nitration are involved in the pathogenesis of MC Research revealed that the positive immune markers of 3-nitrotyrosine (3-NT), 4-hydroxynonenol (4-HNE), and malondialdehyde (MDA) are significantly increased in a pig model of MC, among which 4-HNE and MDA have been identified as robust markers of oxidative stress, while 3-NT is a biomarker of endogenous peroxynitrite activity
Pu J, Wang Q, Xu W, Lu L, Jiang S
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