Abstract
Tetrahydroisoquinoline alkaloids have been unequivocally demonstrated in vivo for the first time in parkinsonian patients on L-dopa treatment. Their biosynthesis may have a profound bearing on how L-dopa acts.
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SANDLER, M., CARTER, S., HUNTER, K. et al. Tetrahydroisoquinoline Alkaloids: in vivo Metabolites of L-Dopa in Man. Nature 241, 439–443 (1973). https://doi.org/10.1038/241439a0
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DOI: https://doi.org/10.1038/241439a0
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