histidine greatly decreased urinary pge2 during baseline ( 1.5 +/- 0.3 vs. 7.0 +/- 2.3 micrograms/mg creatinine , p less than 0.001 ) , but it profoundly augmented urinary prostaglandin excretion after ddavp stimulation ( 40.0 +/- 4.2 vs. 7.0 +/- 2.0 micrograms/mg creatinine , p less than 0.001 ) .
C0012472
pge2
C0033554
prostaglandin