71.   The sections, which were taken randomly from the gastric corpus and included areas of haemorrhagical damage, were evaluated by an observer unaware of the treatment.

72.   Gross injury was evaluated by an observer unaware of the experimental treatment.

73.   Histological examination was performed by two pathologists unaware of the treatment.

74.   The Holter recording was then stopped, and the tapes sent for analysis using the Cardiodata computerised analyser by cardiology technicians unaware of the proceedings in the endoscopy unit.

75.   The patient was unaware of which order the solutions were infused.

76.   The slides were examined by a consultant pathologist who was unaware of the group origin of the tissue.

77.   We for our part are unaware of any statement of national policy that requires sparsely populated counties to be earmarked for development.

78.   Like characters in a Thomas Hardy novel, the Cabinet left Number Ten to wild lightning and torrential rain -- nor were they unaware of the almost vulgar symbolism.

79.   Macro- and microscopic evaluation and scoring of the lesions were performed by a pathologist who was unaware of the treatment administered to each rat.

80.   A person who is given confidential information and is unaware of its confidential nature will be able to use the information freely.