Randomized, controlled trial of dextromethorphan/quinidine for pseudobulbar affect in multiple sclerosis.
Panitch HS, Thisted RA, Smith RA, Wynn DR, Wymer JP, Achiron A, Vollmer TL, Mandler RN, Dietrich DW, Fletcher M, Pope LE, Berg JE, Miller A; Psuedobulbar Affect in Multiple Sclerosis Study Group.
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PMID: 16634036
Clinical Trial.