| abstract |
A pharmaceutical dosage form for administration twice daily, once daily or less frequently, which contains 6′-fluoro-(N-methyl- or N,N-dimethyl)-4-phenyl-4′,9′-dihydro-3′H-spiro[cyclohexane-1,1′-pyrano[3,4,b]indol]-4-amine or a physiologically acceptable salt thereof. |