after pretreatment with the selective monoamine oxidase b inhibitor , ( - ) -deprenyl , in doses sufficient for complete inhibition of the platelet enzyme , 4 normal and 6 parkinsoniam volunteers ( 2 receiving levodopa and 2 levodopa plus carbidopa ) suffered no adverse pressor reaction ( 'cheese effect ' ) after challenge with oral tyramine in amounts considerably greater than those likely to be encountered in a normal diet .
C0023570
levodopa
C0353697
levodopa