in order to get data for an optimal timing of pre-operative treatment with steroids we had to prove the effect of 6-methyl-prednisolone ( urbason , hoechst ) with intermittent measurements of the so-called ct `` '' region of interest '' '' in always the same parts of the perifocal brain oedema for seven days pre-operatively .
C0025815
methyl-prednisolone
C0699459
urbason