Every now and then I would have a pile of opened envelopes with a plastic band wrapped around them".
It was a block randomization in which the mother had to pull an opaque sealed envelope out of a pile of envelopes, open it, and review the insert to ascertain the child's treatment assignment.
Our friend tapped him on the shoulder, the stranger rose, proceeded without a word up the aisle, sat down at another table, before another pile of books, opened three or four of them at random, and commenced to take notes rapidly and intently.
On our way there, we picked our way through piles of rubbish, open sewers and sub-standard shanty homes packed so tightly they cut off the light.
Cranes raise up a pile of vegetation in open shallow water, and the limpkin builds a concealed nest in dense marsh grasses.
Mum would often sit my vegetable-fearing sister with a pile of pods to open, knowing that for every pea that would make it into the bowl, one would make it into Lucy's mouth.
Annotation of sORFs is difficult, because they are "buried" in an enormous pile of short random open reading frames (ORFs), which, makes them unfavorable targets for random mutagenesis[33].
Presentation is the key, nothing delights a child more than seeing their own pile of presents to open in the morning!
Shift a pile of files, flick open a filing cabinet noisily, drop a whole lot of papers on the floor and moan about "all that work I have to pick up".
