passages.id: split_5_test_1840_passage
passages.type: progene_text
passages.text: In vitro ammonia emission from these urine samples was significantly reduced at all the time points evaluated ( 1 , 3 , 18 , and 46 h with reductions of 94 , 93 , 70 , and 39 % , respectively , P < 0.05 ) .