21.   And why was his presence so disturbing?

22.   Nevertheless, her presence was potent, and he persevered.

23.   All I know is that my presence was no surprise to them, but they decided to go ahead with the drop anyway.

24.   Also the duration of HBsAg positivity was shorter and the presence of cirrhosis was more prominent in responders.

25.   It remains to be determined whether the presence of hiatal hernia, oesophagitis, or both, is a useful indicator of reflux induced or reflux exacerbated asthma.

26.   The presence of macrocytosis was a common finding.

27.   It is realised increasingly that the systemic immune reponse to Helicobacter pylori infection confers no protection against the organisms, and its presence is of diagnostic value only.

28.   This shows that the presence of symptoms is unreliable as a predictor of recurrence.

29.   In some ways it would have been wiser to remain backstage, allowing his presence to be felt, the sight of him reassuring everyone.

30.   Progesterone is thus a mixed blessing and its presence in HRT is the single most important reason why women abandon it.