Example sentences of "[conj] have [be] described [prep] [adj] " in BNC.

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1 The perceptible facial expressions that have been described by other authors are mostly of no real help to us : ( i ) Yawning .
2 However , Sheriff Colin Higgins said that the wound was razor-sharp , and had been described by medical witnesses as a clean surgical cut which left the victim 's face wide open .
3 These complications are rare in males but have been described in male homosexuals .
4 To determine whether particular sequence features were found in peptides presented by HLA-B53 ( HLA-B5301 ) , as has been described for other class I molecules , we used the cell line Hmy-B53 ( ref. 55 ) : this was derived by transfection of the cell line CIR , which lacks HLA-A and -B molecules , with a genomic clone of HLA-B53. 1.5x10 10 Hmy-B53 or Hmy-B35 cells were pelleted and lysed and HLA class I molecules purified with the monoclonal antibody W6/32 ( ref. 56 ) on an immunoaffinity column as described .
5 It is not known whether there is non-integrin/integrin interactions in hepatocytes to activate integrin receptors as has been described in other cell types such as leukocytes .
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