![Effect of a synthetic norepinephrine precursor, l-threo-3,4-dihydroxyphenylserine on the total norepinephrine concentration in the cerebrospinal fluid of parkinsonian patients]()
Effect of a synthetic norepinephrine precursor, l-threo-3,4-dihydroxyphenylserine on the total norepinephrine concentration in the cerebrospinal fluid of parkinsonian patientsTohgi, Hideo; Abe, Takashi; Takahashi, Satoshi; Takahashi, Junko; Ueno, Mitsuhito; Nozaki, Yuichi · 1990