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. Author manuscript; available in PMC: 2017 Jan 17.
Published in final edited form as: Neurochem Res. 2008 Mar 21;33(9):1889–1893. doi: 10.1007/s11064-008-9662-4

Fig. 1.

Fig. 1

Individual values for the ratio of plasma dihydroxyphenylalanine (DOPA): dihydroxyphenylglycol (DHPG) as a function of plasma dopamine (DA):norepinephrine (NE) in control subjects (white circles), familial dysautonomia patients upon initial evaluation (gray circles), and familial dysautonomia patients after an interval of 13 years (black circles). Dashed lines placed to emphasize that all familial dysautonomia patients had both high DOPA:DHPG and high DA:NE ratios at both testing times, a finding not observed in any control subjects correlated positively with DA:NE ratios (P = 0.69, P < 0.0001).