brain bovine gangliosides added for 48 hrs . to the culture medium at concentrations ranging from 5.10 ( -5 ) mg/ml to 5.10 ( -7 ) mg/ml induced a statistically significant ( p less than .005 to p less than 000,5 ) increase of the number of neurites of the outgrowth zone of guinea-pig spinal ganglia .
C0006104
brain
C0086045
concentrations