Hi. I'm Tim and this is my Pronunciation Workshop. Here, I'm going to show you how English is really spoken. Come on, let's go inside. Hey, look at this: a present. All wrapped up in paper. Now, do ...
WITH reference to Mr. Elson's observation1 that ascorbic acid at low concentrations inhibits urease activity, and that this inhibition disappears in the presence of cysteine, it is worth noting that ...
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