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Studies of families and twins have shown that inheritance is complex and involves both genetic factors

The administration of oral antibiotics and NAC should preferably be spaced by at least 2 hours, as their coadministration may be associated with decreased antibiotic activity [16]

Nonetheless, Yin et al

Cys absorbed by System X c is reduced to cysteine by G-SH or thioredoxin reductase 1 (TrxR1), which then is used for GSH biosynthesis (Mandal et al., 2010
