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8. Measuring L-dopa in plasma and urine to monitor therapy of elderly patients with Parkinson disease treated with L-dopa and a dopa decarboxylase inhibitor. Dutton J, Copeland LG, Playfer JR, Roberts NB. Clin Chem; 1993 Apr; 39(4):629-34. PubMed ID: 8472357 [Abstract] [Full Text] [Related]
10. Determination of 3,4-dihydroxyphenylalanine (DOPA) in plasma and cerebrospinal fluid by high performance liquid chromatography with electrochemical detection. Boomsma F, van der Hoorn FA, Man in 't Veld AJ, Schalekamp MA. Clin Chim Acta; 1988 Nov; 178(1):59-69. PubMed ID: 3147824 [Abstract] [Full Text] [Related]
11. A method for the determination of dopa and 3-O-methyldopa in the plasma of Parkinsonian patients. Curzon G, Kantamaneni BD, Trigwell J. Clin Chim Acta; 1972 Mar; 37():335-41. PubMed ID: 5022098 [No Abstract] [Full Text] [Related]
15. DOPA and amino acid levels in plasma and cerebrospinal fluid of patients with Parkinson's disease before and during treatment with L-DOPA. Hare TA, Beasley BL, Chambers RA, Boehme DH, Vogel WH. Clin Chim Acta; 1973 May 18; 45(3):273-80. PubMed ID: 4708057 [No Abstract] [Full Text] [Related]