1.   A contributory factor, perhaps, was his concealment of a warm and generous nature behind a self-assertive manner.

2.   Another possible contributory factor is the increasing difficulty in admitting acutely ill patients.

3.   In investigating the causes of absenteeism from work, for example, researchers have found different contributory factors.

4.   Many different contributory factors were suggested, from national differences in personality structure and child-rearing practices to political institutions.

5.   Smoking is a contributory factor in lung cancer.

6.   Thus there was a combination of potentially explosive contributory factors.

7.   We now know that repressing anger is a contributory factor in many physical illnesses.

8.   With inflammatory bowel disease, the loss of protein through the gastrointestinal tract is also a contributory factor.

9.   Although these complications are not usually life threatening, the consequent iron deficiency anaemia and hypoalbuminaemia are major contributory factors to the morbidity of these patients.

10.   A major contributory factor to this has been excise duty discrimination against spirits, particularly that in favour of imported wine.