21.   Investigations in man have shown controversial results.

22.   We know the yield of routine investigations in iron deficiency anaemia but do not know the outcome in those with no detected cause.

23.   Caution is therefore needed when interpreting the results of these investigations in coeliac disease patients who are in long term treatment.

24.   Six thrombolytic agents are either approved for clinical use or under clinical investigation in some patients with acute myocardial infarction.

25.   Arrangements for the police and local authority to carry out joint investigations in appropriate cases.

26.   The vast majority of empirical investigation in the area of textuality has been psychological in orientation and based on the responses of readers.

27.   He was suspended from duty after alleged irregularities during a fraud and drugs investigation in Milton Keynes five years ago.

28.   Both Fr Pat Ryan and Martin McGuinness have come under investigation in The Cook Report.

29.   The leaflet explains how the Revenue would carry out an investigation in its local tax offices, detailing provisions regarding such matters as confidentiality and professional representation.

30.   Poitier plays a homicide cop from a big city who inadvertently finds himself caught up in a murder investigation in the town where he is staying.