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PMID: 9452477 Frova, C
Serum selenium and plasma malondialdehyde levels and antioxidant enzyme activities in patients with obsessive-compulsive disorder
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This approach helps identify any sensitivity while still providing therapeutic levels
The treatment comparison reveals GHK-Cu discontinuation profile proving more favorable than retinoids (less dependency, no rebound, better benefit retention) while similar to vitamin C and niacinamide (gradual decline, moderate long-term retention, low dependency)
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