41. These theories remain largely unproved and controversial. 42. They were unproved , and no one was sure that they would not blast off unexpectedly. 43. Many doctors think it's better to do both tests, though this is unproved . 44. Its usefulness is still largely unproved . 45. Gossen said the allegations contained in the affidavits are " unsupported and unproved ." 46. There are enough proved cases to make this point without diluting our criticism with unproved charges. 47. At once objecting " To the last four words we demur, as being altogether unproved . 48. But the creationists insist that evolution remains an unproved theory that attacks the heart of their faith. 49. That suspicion, while still unproved , is beginning to shape federal research priorities and environmental strategies. 50. The claims are chilling if true, but while the evidence is convincing it remains unproved here.
