Example sentences of "[verb] previously been reported [prep] " in BNC.
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| 1 | Thymectomy has previously been reported to be of benefit in ulcerative colitis , but it is possible that it may also have a beneficial effect in Crohn 's disease . |
| 2 | Increased cellular proliferation has previously been reported in Barrett 's mucosa , and it is interesting to note that EGF is found in many of the epithelial cells of Barrett 's epithelium . |
| 3 | A Devon family has previously been reported in which a female in three successive generations has presented with multiple polyps requiring repeated surgery over a number of years . |
| 4 | Similar findings had previously been reported from the Joslin Clinic in the USA , although the specific role of hypertension was not evaluated ( Kessler , 1971 ) . |
| 5 | Editor , — Albert Figueras and colleagues describe 17 cases of acute motor polyneuropathy presumably associated with the administration of gangliosides that have previously been reported to the Spanish drug surveillance system . |