Example sentences of "were [vb pp] over a [num] [noun sg] " in BNC.
Next page| No | Sentence |
|---|---|
| 1 | Volunteers were enrolled over a nine month period . |
| 2 | Individual faecal excretions were collected over a four day period in 500 ml polythene clip top containers . |
| 3 | Individual faecal excretions were collected over a 4 day period after injection of the labelled cells , with particular care being taken not to contaminate the faecal samples with urine . |
| 4 | The data were collected over a 22 year period during which the frequency of diagnosis of endometriosis increased dramatically , with , for example , the reported incidence at time of laparoscopic sterilisation rising from <5% to 18% . |
| 5 | Twelve consecutive patients were studied over a one year period . |