11.   These laboratory studies have nonetheless provided some evidence of relationships between risk and sensitivity.

12.   The new studies provide compelling evidence in support of these concepts.

13.   More recent in vivo animal studies provide experimental evidence to validate this technique.

14.   Clearly, this study cannot provide a definitive answer.

15.   Our studies provided evidence of such relaxations during episodes of spontaneous gastro-oesophageal reflux in children.

16.   This study provides valuable insight into the association of HPV DNA with colonic cancers.

17.   This study provides some evidence against the possibility that cimetidine are related to motor neurone disease.

18.   This study therefore provides a plausible reason why Ac-ASA is probably ineffective clinically when given in that form.

19.   The present study provides further evidence for these interactions in the colon.

20.   This study cannot provide data to confirm or refute this hypothesis, however.